100121312210 has 32 divisors (see below), whose sum is σ = 182569851072. Its totient is φ = 39526925760.

The previous prime is 100121312209. The next prime is 100121312233. The reversal of 100121312210 is 12213121001.

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, 788357 + ... + 906503.

It is an arithmetic number, because the mean of its divisors is an integer number (5705307846).

Almost surely, 2^100121312210 is an apocalyptic number.

100121312210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100121312210 is a deficient number, since it is larger than the sum of its proper divisors (82448538862).

100121312210 is a wasteful number, since it uses less digits than its factorization.

100121312210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119258.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 100121312210 its reverse (12213121001), we get a palindrome (112334433211).

The spelling of 100121312210 in words is "one hundred billion, one hundred twenty-one million, three hundred twelve thousand, two hundred ten".