121012101100112 has 10 divisors (see below), whose sum is σ = 234460945881498. Its totient is φ = 60506050550048.

The previous prime is 121012101100081. The next prime is 121012101100193. The reversal of 121012101100112 is 211001101210121.

It can be written as a sum of positive squares in only one way, i.e., 120981168732736 + 30932367376 = 10999144^2 + 175876^2 .

It is a super-2 number, since 2×121012101100112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3781628159363 + ... + 3781628159394.

Almost surely, 2^{121012101100112} is an apocalyptic number.

It is an amenable number.

121012101100112 is a deficient number, since it is larger than the sum of its proper divisors (113448844781386).

121012101100112 is an equidigital number, since it uses as much as digits as its factorization.

121012101100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7563256318765 (or 7563256318759 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121012101100112 its reverse (211001101210121), we get a palindrome (332013202310233).

The spelling of 121012101100112 in words is "one hundred twenty-one trillion, twelve billion, one hundred one million, one hundred thousand, one hundred twelve".