100201010102021 has 4 divisors (see below), whose sum is σ = 101899332307200. Its totient is φ = 98502687896844.

The previous prime is 100201010101949. The next prime is 100201010102147. The reversal of 100201010102021 is 120201010102001.

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-100201010102021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100201010101993 and 100201010102011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100201010102521) 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, 849161102501 + ... + 849161102618.

It is an arithmetic number, because the mean of its divisors is an integer number (25474833076800).

Almost surely, 2^{100201010102021} is an apocalyptic number.

It is an amenable number.

100201010102021 is a deficient number, since it is larger than the sum of its proper divisors (1698322205179).

100201010102021 is an equidigital number, since it uses as much as digits as its factorization.

100201010102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698322205178.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100201010102021 its reverse (120201010102001), we get a palindrome (220402020204022).

The spelling of 100201010102021 in words is "one hundred trillion, two hundred one billion, ten million, one hundred two thousand, twenty-one".