121202200222110 has 96 divisors (see below), whose sum is σ = 360156318312960. Its totient is φ = 27702387923904.

The previous prime is 121202200222093. The next prime is 121202200222133. The reversal of 121202200222110 is 11222002202121.

It is a happy number.

121202200222110 is a `hidden beast` number, since 1 + 212 + 0 + 220 + 0 + 2 + 221 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14668839 + ... + 21391101.

It is an arithmetic number, because the mean of its divisors is an integer number (3751628315760).

Almost surely, 2^{121202200222110} is an apocalyptic number.

121202200222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121202200222110 is an abundant number, since it is smaller than the sum of its proper divisors (238954118090850).

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

121202200222110 is a wasteful number, since it uses less digits than its factorization.

121202200222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6750902 (or 6750899 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 121202200222110 its reverse (11222002202121), we get a palindrome (132424202424231).

The spelling of 121202200222110 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred million, two hundred twenty-two thousand, one hundred ten".