121022100112 has 10 divisors (see below), whose sum is σ = 234480318998. Its totient is φ = 60511050048.

The previous prime is 121022100109. The next prime is 121022100131. The reversal of 121022100112 is 211001220121.

It can be written as a sum of positive squares in only one way, i.e., 115352612496 + 5669487616 = 339636^2 + 75296^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121022100092 and 121022100101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3781940613 + ... + 3781940644.

Almost surely, 2^121022100112 is an apocalyptic number.

It is an amenable number.

121022100112 is a deficient number, since it is larger than the sum of its proper divisors (113458218886).

121022100112 is an equidigital number, since it uses as much as digits as its factorization.

121022100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7563881265 (or 7563881259 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121022100112 its reverse (211001220121), we get a palindrome (332023320233).

The spelling of 121022100112 in words is "one hundred twenty-one billion, twenty-two million, one hundred thousand, one hundred twelve".