121023021130 has 16 divisors (see below), whose sum is σ = 237645205344. Its totient is φ = 44008371280.

The previous prime is 121023021073. The next prime is 121023021143. The reversal of 121023021130 is 31120320121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550104532 + ... + 550104751.

It is an arithmetic number, because the mean of its divisors is an integer number (14852825334).

Almost surely, 2^121023021130 is an apocalyptic number.

121023021130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121023021130 is a deficient number, since it is larger than the sum of its proper divisors (116622184214).

121023021130 is a wasteful number, since it uses less digits than its factorization.

121023021130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100209301.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121023021130 its reverse (31120320121), we get a palindrome (152143341251).

The spelling of 121023021130 in words is "one hundred twenty-one billion, twenty-three million, twenty-one thousand, one hundred thirty".