22011111011020 has 96 divisors (see below), whose sum is σ = 47572306483968. Its totient is φ = 8550985727232.

The previous prime is 22011111011011. The next prime is 22011111011039. The reversal of 22011111011020 is 2011011111022.

It is a happy number.

22011111011020 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×22011111011020² (a number of 27 digits) contains 22 as substring.

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, 148165699 + ... + 148314181.

It is an arithmetic number, because the mean of its divisors is an integer number (495544859208).

Almost surely, 2^{22011111011020} is an apocalyptic number.

22011111011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011111011020 is an abundant number, since it is smaller than the sum of its proper divisors (25561195472948).

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

22011111011020 is a wasteful number, since it uses less digits than its factorization.

22011111011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149959 (or 149957 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 22011111011020 its reverse (2011011111022), we get a palindrome (24022122122042).

The spelling of 22011111011020 in words is "twenty-two trillion, eleven billion, one hundred eleven million, eleven thousand, twenty".