100211121210 has 32 divisors (see below), whose sum is σ = 250963505280. Its totient is φ = 25561097408.

The previous prime is 100211121209. The next prime is 100211121223. The reversal of 100211121210 is 12121112001.

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, 72616065 + ... + 72617444.

It is an arithmetic number, because the mean of its divisors is an integer number (7842609540).

Almost surely, 2^100211121210 is an apocalyptic number.

100211121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100211121210 is an abundant number, since it is smaller than the sum of its proper divisors (150752384070).

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

100211121210 is a wasteful number, since it uses less digits than its factorization.

100211121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145233542.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100211121210 its reverse (12121112001), we get a palindrome (112332233211).

The spelling of 100211121210 in words is "one hundred billion, two hundred eleven million, one hundred twenty-one thousand, two hundred ten".