121030221122010 has 48 divisors (see below), whose sum is σ = 317794204395720. Its totient is φ = 31955173891200.

The previous prime is 121030221121967. The next prime is 121030221122089. The reversal of 121030221122010 is 10221122030121.

121030221122010 is a `hidden beast` number, since 1 + 210 + 3 + 0 + 221 + 1 + 220 + 10 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 120868189916049 + 162031205961 = 10994007^2 + 402531^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6657318805 + ... + 6657336984.

Almost surely, 2^{121030221122010} is an apocalyptic number.

121030221122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121030221122010 is an abundant number, since it is smaller than the sum of its proper divisors (196763983273710).

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

121030221122010 is a wasteful number, since it uses less digits than its factorization.

121030221122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13314655903 (or 13314655900 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 121030221122010 its reverse (10221122030121), we get a palindrome (131251343152131).

The spelling of 121030221122010 in words is "one hundred twenty-one trillion, thirty billion, two hundred twenty-one million, one hundred twenty-two thousand, ten".