121010200012220 has 48 divisors (see below), whose sum is σ = 267501870588960. Its totient is φ = 45855530164224.

The previous prime is 121010200012213. The next prime is 121010200012223. The reversal of 121010200012220 is 22210002010121.

It is a junction number, because it is equal to n+sod(n) for n = 121010200012195 and 121010200012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010200012223) 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, 14822612 + ... + 21487908.

It is an arithmetic number, because the mean of its divisors is an integer number (5572955637270).

Almost surely, 2^{121010200012220} is an apocalyptic number.

121010200012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121010200012220 is an abundant number, since it is smaller than the sum of its proper divisors (146491670576740).

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

121010200012220 is a wasteful number, since it uses less digits than its factorization.

121010200012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713102 (or 6713100 counting only the distinct ones).

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

Adding to 121010200012220 its reverse (22210002010121), we get a palindrome (143220202022341).

The spelling of 121010200012220 in words is "one hundred twenty-one trillion, ten billion, two hundred million, twelve thousand, two hundred twenty".