100210112211221 has 8 divisors (see below), whose sum is σ = 106740182928960. Its totient is φ = 93750636852928.

The previous prime is 100210112211197. The next prime is 100210112211259. The reversal of 100210112211221 is 122112211012001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100210112211221 - 2¹⁴ = 100210112194837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100210112211221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100210112411221) 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, 17648836931 + ... + 17648842608.

It is an arithmetic number, because the mean of its divisors is an integer number (13342522866120).

Almost surely, 2^{100210112211221} is an apocalyptic number.

It is an amenable number.

100210112211221 is a deficient number, since it is larger than the sum of its proper divisors (6530070717739).

100210112211221 is a wasteful number, since it uses less digits than its factorization.

100210112211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35297679723.

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

Adding to 100210112211221 its reverse (122112211012001), we get a palindrome (222322323223222).

The spelling of 100210112211221 in words is "one hundred trillion, two hundred ten billion, one hundred twelve million, two hundred eleven thousand, two hundred twenty-one".