10221111110 has 64 divisors (see below), whose sum is σ = 22282076160. Its totient is φ = 3295434240.

The previous prime is 10221111101. The next prime is 10221111163. The reversal of 10221111110 is 1111112201.

It is a super-2 number, since 2×10221111110² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221111091 and 10221111100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1747571 + ... + 1753409.

It is an arithmetic number, because the mean of its divisors is an integer number (348157440).

Almost surely, 2^10221111110 is an apocalyptic number.

10221111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221111110 is an abundant number, since it is smaller than the sum of its proper divisors (12060965050).

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

10221111110 is a wasteful number, since it uses less digits than its factorization.

10221111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7341.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10221111110 its reverse (1111112201), we get a palindrome (11332223311).

The spelling of 10221111110 in words is "ten billion, two hundred twenty-one million, one hundred eleven thousand, one hundred ten".