121001010200220 has 48 divisors (see below), whose sum is σ = 341076673072800. Its totient is φ = 32050379433216.

The previous prime is 121001010200207. The next prime is 121001010200221. The reversal of 121001010200220 is 22002010100121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 121001010200196 and 121001010200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001010200221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6767385367 + ... + 6767403246.

It is an arithmetic number, because the mean of its divisors is an integer number (7105764022350).

Almost surely, 2^{121001010200220} is an apocalyptic number.

121001010200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121001010200220 is an abundant number, since it is smaller than the sum of its proper divisors (220075662872580).

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

121001010200220 is a wasteful number, since it uses less digits than its factorization.

121001010200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13534788774 (or 13534788772 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121001010200220 its reverse (22002010100121), we get a palindrome (143003020300341).

The spelling of 121001010200220 in words is "one hundred twenty-one trillion, one billion, ten million, two hundred thousand, two hundred twenty".