121100210221112 has 64 divisors (see below), whose sum is σ = 227919412224000. Its totient is φ = 60322176797184.

The previous prime is 121100210221079. The next prime is 121100210221139. The reversal of 121100210221112 is 211122012001121.

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, 7172899823 + ... + 7172916705.

It is an arithmetic number, because the mean of its divisors is an integer number (3561240816000).

Almost surely, 2^{121100210221112} is an apocalyptic number.

It is an amenable number.

121100210221112 is a deficient number, since it is larger than the sum of its proper divisors (106819202002888).

121100210221112 is a wasteful number, since it uses less digits than its factorization.

121100210221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20220 (or 20216 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121100210221112 its reverse (211122012001121), we get a palindrome (332222222222233).

The spelling of 121100210221112 in words is "one hundred twenty-one trillion, one hundred billion, two hundred ten million, two hundred twenty-one thousand, one hundred twelve".