2101020111210 has 128 divisors (see below), whose sum is σ = 5202846328320. Its totient is φ = 542594433024.

The previous prime is 2101020111209. The next prime is 2101020111251. The reversal of 2101020111210 is 121110201012.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 595356726 + ... + 595360254.

It is an arithmetic number, because the mean of its divisors is an integer number (40647236940).

Almost surely, 2^{2101020111210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101020111210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2601423164160).

2101020111210 is an abundant number, since it is smaller than the sum of its proper divisors (3101826217110).

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

2101020111210 is a wasteful number, since it uses less digits than its factorization.

2101020111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5920.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2101020111210 its reverse (121110201012), we get a palindrome (2222130312222).

The spelling of 2101020111210 in words is "two trillion, one hundred one billion, twenty million, one hundred eleven thousand, two hundred ten".