121020122230 has 32 divisors (see below), whose sum is σ = 253036929600. Its totient is φ = 40812405120.

The previous prime is 121020122219. The next prime is 121020122231. The reversal of 121020122230 is 32221020121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121020122231) 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, 14166705 + ... + 14175244.

It is an arithmetic number, because the mean of its divisors is an integer number (7907404050).

Almost surely, 2^121020122230 is an apocalyptic number.

121020122230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121020122230 is an abundant number, since it is smaller than the sum of its proper divisors (132016807370).

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

121020122230 is a wasteful number, since it uses less digits than its factorization.

121020122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28342024.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 121020122230 its reverse (32221020121), we get a palindrome (153241142351).

The spelling of 121020122230 in words is "one hundred twenty-one billion, twenty million, one hundred twenty-two thousand, two hundred thirty".