121022101202120 has 16 divisors (see below), whose sum is σ = 272299727704860. Its totient is φ = 48408840480832.

The previous prime is 121022101202117. The next prime is 121022101202179. The reversal of 121022101202120 is 21202101220121.

It can be written as a sum of positive squares in 2 ways, for example, as 119445183093604 + 1576918108516 = 10929098^2 + 1255754^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1512776264987 + ... + 1512776265066.

Almost surely, 2^{121022101202120} is an apocalyptic number.

121022101202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121022101202120 is an abundant number, since it is smaller than the sum of its proper divisors (151277626502740).

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

121022101202120 is a wasteful number, since it uses less digits than its factorization.

121022101202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025552530064 (or 3025552530060 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121022101202120 its reverse (21202101220121), we get a palindrome (142224202422241).

The spelling of 121022101202120 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred one million, two hundred two thousand, one hundred twenty".