101121120212 has 48 divisors (see below), whose sum is σ = 215525560320. Its totient is φ = 40571379552.

The previous prime is 101121120209. The next prime is 101121120223. The reversal of 101121120212 is 212021121101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1640162 + ... + 1700697.

It is an arithmetic number, because the mean of its divisors is an integer number (4490115840).

Almost surely, 2^101121120212 is an apocalyptic number.

It is an amenable number.

101121120212 is an abundant number, since it is smaller than the sum of its proper divisors (114404440108).

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

101121120212 is a wasteful number, since it uses less digits than its factorization.

101121120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340940 (or 3340938 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101121120212 its reverse (212021121101), we get a palindrome (313142241313).

The spelling of 101121120212 in words is "one hundred one billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twelve".