2101120101010 has 32 divisors (see below), whose sum is σ = 4510230481152. Its totient is φ = 689062989120.

The previous prime is 2101120100983. The next prime is 2101120101013. The reversal of 2101120101010 is 101010211012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2101120101013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652520161 + ... + 652523380.

It is an arithmetic number, because the mean of its divisors is an integer number (140944702536).

Almost surely, 2^{2101120101010} is an apocalyptic number.

2101120101010 is an abundant number, since it is smaller than the sum of its proper divisors (2409110380142).

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

2101120101010 is a wasteful number, since it uses less digits than its factorization.

2101120101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305043578.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2101120101010 its reverse (101010211012), we get a palindrome (2202130312022).

The spelling of 2101120101010 in words is "two trillion, one hundred one billion, one hundred twenty million, one hundred one thousand, ten".