10210192021 has 4 divisors (see below), whose sum is σ = 10213074112. Its totient is φ = 10207309932.

The previous prime is 10210191973. The next prime is 10210192067. The reversal of 10210192021 is 12029101201.

It is a happy number.

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 10210192021 - 2¹¹ = 10210189973 is a prime.

It is a super-2 number, since 2×10210192021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10210192021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210112021) 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, 1435725 + ... + 1442818.

It is an arithmetic number, because the mean of its divisors is an integer number (2553268528).

Almost surely, 2^10210192021 is an apocalyptic number.

It is an amenable number.

10210192021 is a deficient number, since it is larger than the sum of its proper divisors (2882091).

10210192021 is an equidigital number, since it uses as much as digits as its factorization.

10210192021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882090.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 10210192021 its reverse (12029101201), we get a palindrome (22239293222).

The spelling of 10210192021 in words is "ten billion, two hundred ten million, one hundred ninety-two thousand, twenty-one".