100210021211021 has 4 divisors (see below), whose sum is σ = 101621429960544. Its totient is φ = 98798612461500.

The previous prime is 100210021210993. The next prime is 100210021211033. The reversal of 100210021211021 is 120112120012001.

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 not a de Polignac number, because 100210021211021 - 2²⁶ = 100209954102157 is a prime.

It is a super-2 number, since 2×100210021211021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100210021210987 and 100210021211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100210021214021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705704374655 + ... + 705704374796.

It is an arithmetic number, because the mean of its divisors is an integer number (25405357490136).

Almost surely, 2^{100210021211021} is an apocalyptic number.

It is an amenable number.

100210021211021 is a deficient number, since it is larger than the sum of its proper divisors (1411408749523).

100210021211021 is an equidigital number, since it uses as much as digits as its factorization.

100210021211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411408749522.

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

Adding to 100210021211021 its reverse (120112120012001), we get a palindrome (220322141223022).

The spelling of 100210021211021 in words is "one hundred trillion, two hundred ten billion, twenty-one million, two hundred eleven thousand, twenty-one".