22110021010 has 64 divisors (see below), whose sum is σ = 49649842944. Its totient is φ = 6887059200.

The previous prime is 22110021001. The next prime is 22110021019. The reversal of 22110021010 is 1012001122.

It is an interprime number because it is at equal distance from previous prime (22110021001) and next prime (22110021019).

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 (22110021019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1332324 + ... + 1348816.

It is an arithmetic number, because the mean of its divisors is an integer number (775778796).

Almost surely, 2^22110021010 is an apocalyptic number.

22110021010 is an abundant number, since it is smaller than the sum of its proper divisors (27539821934).

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

22110021010 is a wasteful number, since it uses less digits than its factorization.

22110021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18259.

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

Adding to 22110021010 its reverse (1012001122), we get a palindrome (23122022132).

The spelling of 22110021010 in words is "twenty-two billion, one hundred ten million, twenty-one thousand, ten".