22021010110 has 32 divisors (see below), whose sum is σ = 44161293312. Its totient is φ = 7837262880.

The previous prime is 22021010101. The next prime is 22021010111. The reversal of 22021010110 is 1101012022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021010111) 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, 2124522 + ... + 2134861.

It is an arithmetic number, because the mean of its divisors is an integer number (1380040416).

Almost surely, 2^22021010110 is an apocalyptic number.

22021010110 is an abundant number, since it is smaller than the sum of its proper divisors (22140283202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22021010110 is a wasteful number, since it uses less digits than its factorization.

22021010110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259448.

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

Adding to 22021010110 its reverse (1101012022), we get a palindrome (23122022132).

The spelling of 22021010110 in words is "twenty-two billion, twenty-one million, ten thousand, one hundred ten".