210120102011000 has 128 divisors (see below), whose sum is σ = 509088561883200. Its totient is φ = 81077558284800.

The previous prime is 210120102010969. The next prime is 210120102011009. The reversal of 210120102011000 is 110201021012.

It is a super-2 number, since 2×210120102011000² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120102011009) 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, 29341034 + ... + 35792966.

Almost surely, 2^{210120102011000} is an apocalyptic number.

210120102011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210120102011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254544280941600).

210120102011000 is an abundant number, since it is smaller than the sum of its proper divisors (298968459872200).

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

210120102011000 is a wasteful number, since it uses less digits than its factorization.

210120102011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6453106 (or 6453092 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210120102011000 its reverse (110201021012), we get a palindrome (210230303032012).

The spelling of 210120102011000 in words is "two hundred ten trillion, one hundred twenty billion, one hundred two million, eleven thousand".