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122011011020 = 2256100550551
BaseRepresentation
bin111000110100001101…
…1000100011111001100
3102122221011020120000002
41301220123010133030
53444334304323040
6132015011223432
711546355324203
oct1615033043714
9378834216002
10122011011020
11478210424a8
121b7912a7b78
13b675a18512
145c9646a23a
1532917e0a15
hex1c686c47cc

122011011020 has 12 divisors (see below), whose sum is σ = 256223123184. Its totient is φ = 48804404400.

The previous prime is 122011010971. The next prime is 122011011071. The reversal of 122011011020 is 20110110221.

It is a super-2 number, since 2×1220110110202 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122011010992 and 122011011010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050275256 + ... + 3050275295.

It is an arithmetic number, because the mean of its divisors is an integer number (21351926932).

Almost surely, 2122011011020 is an apocalyptic number.

122011011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122011011020 is an abundant number, since it is smaller than the sum of its proper divisors (134212112164).

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

122011011020 is a wasteful number, since it uses less digits than its factorization.

122011011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100550560 (or 6100550558 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122011011020 its reverse (20110110221), we get a palindrome (142121121241).

The spelling of 122011011020 in words is "one hundred twenty-two billion, eleven million, eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 6100550551 12201101102 24402202204 30502752755 61005505510 122011011020