101121203112 has 32 divisors (see below), whose sum is σ = 252815275680. Its totient is φ = 33705432000.

The previous prime is 101121203023. The next prime is 101121203129. The reversal of 101121203112 is 211302121101.

It is a junction number, because it is equal to n+sod(n) for n = 101121203091 and 101121203100.

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 7 ways as a sum of consecutive naturals, for example, 467418 + ... + 648630.

It is an arithmetic number, because the mean of its divisors is an integer number (7900477365).

Almost surely, 2^101121203112 is an apocalyptic number.

101121203112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101121203112 is an abundant number, since it is smaller than the sum of its proper divisors (151694072568).

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

101121203112 is a wasteful number, since it uses less digits than its factorization.

101121203112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204473 (or 204469 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 101121203112 its reverse (211302121101), we get a palindrome (312423324213).

The spelling of 101121203112 in words is "one hundred one billion, one hundred twenty-one million, two hundred three thousand, one hundred twelve".