100210100212021 has 4 divisors (see below), whose sum is σ = 100329540141600. Its totient is φ = 100090660282444.

The previous prime is 100210100212003. The next prime is 100210100212037. The reversal of 100210100212021 is 120212001012001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100210100212021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100210100211992 and 100210100212010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100210100212051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59719963531 + ... + 59719965208.

It is an arithmetic number, because the mean of its divisors is an integer number (25082385035400).

Almost surely, 2^{100210100212021} is an apocalyptic number.

It is an amenable number.

100210100212021 is a deficient number, since it is larger than the sum of its proper divisors (119439929579).

100210100212021 is an equidigital number, since it uses as much as digits as its factorization.

100210100212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119439929578.

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

Adding to 100210100212021 its reverse (120212001012001), we get a palindrome (220422101224022).

The spelling of 100210100212021 in words is "one hundred trillion, two hundred ten billion, one hundred million, two hundred twelve thousand, twenty-one".