100111212122210 has 64 divisors (see below), whose sum is σ = 181097832077568. Its totient is φ = 39845520000000.

The previous prime is 100111212122197. The next prime is 100111212122249. The reversal of 100111212122210 is 12221212111001.

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, 11122227710 + ... + 11122236710.

It is an arithmetic number, because the mean of its divisors is an integer number (2829653626212).

Almost surely, 2^{100111212122210} is an apocalyptic number.

100111212122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100111212122210 is a deficient number, since it is larger than the sum of its proper divisors (80986619955358).

100111212122210 is a wasteful number, since it uses less digits than its factorization.

100111212122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15531.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100111212122210 its reverse (12221212111001), we get a palindrome (112332424233211).

The spelling of 100111212122210 in words is "one hundred trillion, one hundred eleven billion, two hundred twelve million, one hundred twenty-two thousand, two hundred ten".