10220210021 has 16 divisors (see below), whose sum is σ = 11848761600. Its totient is φ = 8633962368.

The previous prime is 10220209997. The next prime is 10220210053. The reversal of 10220210021 is 12001202201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10220210021 - 2¹⁸ = 10219947877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10220209984 and 10220210011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220216021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790235 + ... + 803063.

It is an arithmetic number, because the mean of its divisors is an integer number (740547600).

Almost surely, 2^10220210021 is an apocalyptic number.

It is an amenable number.

10220210021 is a deficient number, since it is larger than the sum of its proper divisors (1628551579).

10220210021 is a wasteful number, since it uses less digits than its factorization.

10220210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14468.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10220210021 its reverse (12001202201), we get a palindrome (22221412222).

The spelling of 10220210021 in words is "ten billion, two hundred twenty million, two hundred ten thousand, twenty-one".