210011011011020 has 24 divisors (see below), whose sum is σ = 456230817025200. Its totient is φ = 81107700804032.

The previous prime is 210011011010971. The next prime is 210011011011023. The reversal of 210011011011020 is 20110110110012.

It is a super-2 number, since 2×210011011011020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210011011010992 and 210011011011010.

It is not an unprimeable number, because it can be changed into a prime (210011011011023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181043974430 + ... + 181043975589.

It is an arithmetic number, because the mean of its divisors is an integer number (19009617376050).

Almost surely, 2^{210011011011020} is an apocalyptic number.

210011011011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210011011011020 is an abundant number, since it is smaller than the sum of its proper divisors (246219806014180).

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

210011011011020 is a wasteful number, since it uses less digits than its factorization.

210011011011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362087950057 (or 362087950055 counting only the distinct ones).

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

Adding to 210011011011020 its reverse (20110110110012), we get a palindrome (230121121121032).

The spelling of 210011011011020 in words is "two hundred ten trillion, eleven billion, eleven million, eleven thousand, twenty".