101121010120212 has 24 divisors (see below), whose sum is σ = 235949194889856. Its totient is φ = 33706978905408.

The previous prime is 101121010120153. The next prime is 101121010120243. The reversal of 101121010120212 is 212021010121101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101121010120191 and 101121010120200.

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, 23133288 + ... + 27154944.

It is an arithmetic number, because the mean of its divisors is an integer number (9831216453744).

Almost surely, 2^{101121010120212} is an apocalyptic number.

101121010120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101121010120212 is an abundant number, since it is smaller than the sum of its proper divisors (134828184769644).

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

101121010120212 is a wasteful number, since it uses less digits than its factorization.

101121010120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6117007 (or 6117005 counting only the distinct ones).

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

Adding to 101121010120212 its reverse (212021010121101), we get a palindrome (313142020241313).

The spelling of 101121010120212 in words is "one hundred one trillion, one hundred twenty-one billion, ten million, one hundred twenty thousand, two hundred twelve".