121002210022110 has 16 divisors (see below), whose sum is σ = 290405304053136. Its totient is φ = 32267256005888.

The previous prime is 121002210022081. The next prime is 121002210022117. The reversal of 121002210022110 is 11220012200121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121002210022110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002210022117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2016703500339 + ... + 2016703500398.

It is an arithmetic number, because the mean of its divisors is an integer number (18150331503321).

Almost surely, 2^{121002210022110} is an apocalyptic number.

121002210022110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121002210022110 is an abundant number, since it is smaller than the sum of its proper divisors (169403094031026).

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

121002210022110 is a wasteful number, since it uses less digits than its factorization.

121002210022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033407000747.

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

Adding to 121002210022110 its reverse (11220012200121), we get a palindrome (132222222222231).

The spelling of 121002210022110 in words is "one hundred twenty-one trillion, two billion, two hundred ten million, twenty-two thousand, one hundred ten".