100021211122 has 16 divisors (see below), whose sum is σ = 171563123520. Its totient is φ = 42841685808.

The previous prime is 100021211119. The next prime is 100021211123. The reversal of 100021211122 is 221112120001.

It is not an unprimeable number, because it can be changed into a prime (100021211123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020297 + ... + 2069212.

It is an arithmetic number, because the mean of its divisors is an integer number (10722695220).

Almost surely, 2^100021211122 is an apocalyptic number.

100021211122 is a deficient number, since it is larger than the sum of its proper divisors (71541912398).

100021211122 is a wasteful number, since it uses less digits than its factorization.

100021211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4091265.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100021211122 its reverse (221112120001), we get a palindrome (321133331123).

The spelling of 100021211122 in words is "one hundred billion, twenty-one million, two hundred eleven thousand, one hundred twenty-two".