121222120203130 has 16 divisors (see below), whose sum is σ = 218217268387584. Its totient is φ = 48484969854160.

The previous prime is 121222120203097. The next prime is 121222120203131. The reversal of 121222120203130 is 31302021222121.

It is not an unprimeable number, because it can be changed into a prime (121222120203131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484647106 + ... + 484897165.

It is an arithmetic number, because the mean of its divisors is an integer number (13638579274224).

Almost surely, 2^{121222120203130} is an apocalyptic number.

121222120203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121222120203130 is a deficient number, since it is larger than the sum of its proper divisors (96995148184454).

121222120203130 is a wasteful number, since it uses less digits than its factorization.

121222120203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969556781.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 121222120203130 its reverse (31302021222121), we get a palindrome (152524141425251).

The spelling of 121222120203130 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred twenty million, two hundred three thousand, one hundred thirty".