121020220100112 has 20 divisors (see below), whose sum is σ = 312635568592080. Its totient is φ = 40340073366688.

The previous prime is 121020220100111. The next prime is 121020220100119. The reversal of 121020220100112 is 211001022020121.

It is a junction number, because it is equal to n+sod(n) for n = 121020220100091 and 121020220100100.

It is not an unprimeable number, because it can be changed into a prime (121020220100111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260627292662 + ... + 1260627292757.

It is an arithmetic number, because the mean of its divisors is an integer number (15631778429604).

Almost surely, 2^{121020220100112} is an apocalyptic number.

121020220100112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121020220100112 is an abundant number, since it is smaller than the sum of its proper divisors (191615348491968).

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

121020220100112 is a wasteful number, since it uses less digits than its factorization.

121020220100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521254585430 (or 2521254585424 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121020220100112 its reverse (211001022020121), we get a palindrome (332021242120233).

The spelling of 121020220100112 in words is "one hundred twenty-one trillion, twenty billion, two hundred twenty million, one hundred thousand, one hundred twelve".