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122100013232021 = 1139727959700763
BaseRepresentation
bin11011110000110010011111…
…111010100110111110010101
3121000022122110212011111002002
4123300302133322212332111
5112000441311341411041
61111403545520325045
734501302103141106
oct3360623772467625
9530278425144062
10122100013232021
11359a5363368550
121183b973473785
135318c9c154476
14222195a6263ad
15e1b17cad359b
hex6f0c9fea6f95

122100013232021 has 8 divisors (see below), whose sum is σ = 133535530848864. Its totient is φ = 110720415017520.

The previous prime is 122100013231943. The next prime is 122100013232059. The reversal of 122100013232021 is 120232310001221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-122100013232021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122100013231984 and 122100013232002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122100013232921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13979846015 + ... + 13979854748.

It is an arithmetic number, because the mean of its divisors is an integer number (16691941356108).

Almost surely, 2122100013232021 is an apocalyptic number.

122100013232021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122100013232021 is a deficient number, since it is larger than the sum of its proper divisors (11435517616843).

122100013232021 is a wasteful number, since it uses less digits than its factorization.

122100013232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27959701171.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 122100013232021 its reverse (120232310001221), we get a palindrome (242332323233242).

The spelling of 122100013232021 in words is "one hundred twenty-two trillion, one hundred billion, thirteen million, two hundred thirty-two thousand, twenty-one".

Divisors: 1 11 397 4367 27959700763 307556708393 11100001202911 122100013232021