100021121200211 has 16 divisors (see below), whose sum is σ = 101036852151840. Its totient is φ = 99010791313920.

The previous prime is 100021121200201. The next prime is 100021121200213. The reversal of 100021121200211 is 112002121120001.

It is a cyclic number.

It is not a de Polignac number, because 100021121200211 - 2¹⁴ = 100021121183827 is a prime.

It is a super-2 number, since 2×100021121200211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100021121200213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109853045 + ... + 110759801.

It is an arithmetic number, because the mean of its divisors is an integer number (6314803259490).

Almost surely, 2^{100021121200211} is an apocalyptic number.

100021121200211 is a deficient number, since it is larger than the sum of its proper divisors (1015730951629).

100021121200211 is a wasteful number, since it uses less digits than its factorization.

100021121200211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909734.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100021121200211 its reverse (112002121120001), we get a palindrome (212023242320212).

The spelling of 100021121200211 in words is "one hundred trillion, twenty-one billion, one hundred twenty-one million, two hundred thousand, two hundred eleven".