121002002211020 has 24 divisors (see below), whose sum is σ = 290404805306784. Its totient is φ = 41486400758016.

The previous prime is 121002002211019. The next prime is 121002002211043. The reversal of 121002002211020 is 20112200200121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 121002002210986 and 121002002211004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432150007757 + ... + 432150008036.

It is an arithmetic number, because the mean of its divisors is an integer number (12100200221116).

Almost surely, 2^{121002002211020} is an apocalyptic number.

121002002211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121002002211020 is an abundant number, since it is smaller than the sum of its proper divisors (169402803095764).

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

121002002211020 is a wasteful number, since it uses less digits than its factorization.

121002002211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864300015809 (or 864300015807 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121002002211020 its reverse (20112200200121), we get a palindrome (141114202411141).

The spelling of 121002002211020 in words is "one hundred twenty-one trillion, two billion, two million, two hundred eleven thousand, twenty".