121022220010 has 32 divisors (see below), whose sum is σ = 221070840192. Its totient is φ = 47691927360.

The previous prime is 121022219999. The next prime is 121022220031. The reversal of 121022220010 is 10022220121.

It is a happy number.

It is a super-2 number, since 2×121022220010² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 912757 + ... + 1036903.

It is an arithmetic number, because the mean of its divisors is an integer number (6908463756).

Almost surely, 2^121022220010 is an apocalyptic number.

121022220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121022220010 is a deficient number, since it is larger than the sum of its proper divisors (100048620182).

121022220010 is a wasteful number, since it uses less digits than its factorization.

121022220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125598.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121022220010 its reverse (10022220121), we get a palindrome (131044440131).

The spelling of 121022220010 in words is "one hundred twenty-one billion, twenty-two million, two hundred twenty thousand, ten".