100211211930 has 64 divisors (see below), whose sum is σ = 241991193600. Its totient is φ = 26558568960.

The previous prime is 100211211929. The next prime is 100211212001. The reversal of 100211211930 is 39112112001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100211211897 and 100211211906.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3263991 + ... + 3294549.

It is an arithmetic number, because the mean of its divisors is an integer number (3781112400).

Almost surely, 2^100211211930 is an apocalyptic number.

100211211930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100211211930 is an abundant number, since it is smaller than the sum of its proper divisors (141779981670).

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

100211211930 is a wasteful number, since it uses less digits than its factorization.

100211211930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31239.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 100211211930 its reverse (39112112001), we get a palindrome (139323323931).

The spelling of 100211211930 in words is "one hundred billion, two hundred eleven million, two hundred eleven thousand, nine hundred thirty".