22021011010 has 32 divisors (see below), whose sum is σ = 40348886400. Its totient is φ = 8651702400.

The previous prime is 22021011007. The next prime is 22021011011. The reversal of 22021011010 is 1011012022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (22021011011) 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, 52461 + ... + 216319.

It is an arithmetic number, because the mean of its divisors is an integer number (1260902700).

Almost surely, 2^22021011010 is an apocalyptic number.

22021011010 is a deficient number, since it is larger than the sum of its proper divisors (18327875390).

22021011010 is a wasteful number, since it uses less digits than its factorization.

22021011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164106.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22021011010 its reverse (1011012022), we get a palindrome (23032023032).

The spelling of 22021011010 in words is "twenty-two billion, twenty-one million, eleven thousand, ten".