101211100122012 has 24 divisors (see below), whose sum is σ = 236754093159696. Its totient is φ = 33652053439488.

The previous prime is 101211100122007. The next prime is 101211100122061. The reversal of 101211100122012 is 210221001112101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101211100121982 and 101211100122000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10622486853 + ... + 10622496380.

It is an arithmetic number, because the mean of its divisors is an integer number (9864753881654).

Almost surely, 2^{101211100122012} is an apocalyptic number.

101211100122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101211100122012 is an abundant number, since it is smaller than the sum of its proper divisors (135542993037684).

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

101211100122012 is a wasteful number, since it uses less digits than its factorization.

101211100122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21244983637 (or 21244983635 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101211100122012 its reverse (210221001112101), we get a palindrome (311432101234113).

The spelling of 101211100122012 in words is "one hundred one trillion, two hundred eleven billion, one hundred million, one hundred twenty-two thousand, twelve".