10102211202021 has 4 divisors (see below), whose sum is σ = 13469614936032. Its totient is φ = 6734807468012.

The previous prime is 10102211201983. The next prime is 10102211202043. The reversal of 10102211202021 is 12020211220101.

10102211202021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10102211202021 - 2¹⁹ = 10102210677733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102211202071) 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, 1683701867001 + ... + 1683701867006.

It is an arithmetic number, because the mean of its divisors is an integer number (3367403734008).

Almost surely, 2^{10102211202021} is an apocalyptic number.

It is an amenable number.

10102211202021 is a deficient number, since it is larger than the sum of its proper divisors (3367403734011).

10102211202021 is an equidigital number, since it uses as much as digits as its factorization.

10102211202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367403734010.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10102211202021 its reverse (12020211220101), we get a palindrome (22122422422122).

The spelling of 10102211202021 in words is "ten trillion, one hundred two billion, two hundred eleven million, two hundred two thousand, twenty-one".