121030013112100 has 36 divisors (see below), whose sum is σ = 262811512341700. Its totient is φ = 48379492085760.

The previous prime is 121030013112077. The next prime is 121030013112101. The reversal of 121030013112100 is 1211310030121.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 23808993266916 + 97221019845184 = 4879446^2 + 9860072^2 .

It is not an unprimeable number, because it can be changed into a prime (121030013112101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406264845 + ... + 406562644.

Almost surely, 2^{121030013112100} is an apocalyptic number.

121030013112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121030013112100 is an abundant number, since it is smaller than the sum of its proper divisors (141781499229600).

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

121030013112100 is a wasteful number, since it uses less digits than its factorization.

121030013112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812828992 (or 812828985 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 121030013112100 its reverse (1211310030121), we get a palindrome (122241323142221).

The spelling of 121030013112100 in words is "one hundred twenty-one trillion, thirty billion, thirteen million, one hundred twelve thousand, one hundred".