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122210102102020 = 2256110505105101
BaseRepresentation
bin11011110010011001000001…
…101110010100100000000100
3121000201011122010210112011121
4123302121001232110200010
5112004242242114231040
61111530313523043324
734512250154116552
oct3362310156244004
9530634563715147
10122210102102020
1135a38016697a39
1211859177b10544
135326494b98b6a
142227001540bd2
15e1de728d2c4a
hex6f2641b94804

122210102102020 has 12 divisors (see below), whose sum is σ = 256641214414284. Its totient is φ = 48884040840800.

The previous prime is 122210102102009. The next prime is 122210102102063. The reversal of 122210102102020 is 20201201012221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 97398226854916 + 24811875247104 = 9869054^2 + 4981152^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122210102101985 and 122210102102003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3055252552531 + ... + 3055252552570.

It is an arithmetic number, because the mean of its divisors is an integer number (21386767867857).

Almost surely, 2122210102102020 is an apocalyptic number.

122210102102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122210102102020 is an abundant number, since it is smaller than the sum of its proper divisors (134431112312264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122210102102020 is a wasteful number, since it uses less digits than its factorization.

122210102102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110505105110 (or 6110505105108 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122210102102020 its reverse (20201201012221), we get a palindrome (142411303114241).

The spelling of 122210102102020 in words is "one hundred twenty-two trillion, two hundred ten billion, one hundred two million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 6110505105101 12221010210202 24442020420404 30552525525505 61105051051010 122210102102020