2101012122210 has 16 divisors (see below), whose sum is σ = 5042429093376. Its totient is φ = 560269899248.

The previous prime is 2101012122203. The next prime is 2101012122217. The reversal of 2101012122210 is 122212101012.

It is an interprime number because it is at equal distance from previous prime (2101012122203) and next prime (2101012122217).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2101012122210.

It is not an unprimeable number, because it can be changed into a prime (2101012122217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35016868674 + ... + 35016868733.

It is an arithmetic number, because the mean of its divisors is an integer number (315151818336).

Almost surely, 2^{2101012122210} is an apocalyptic number.

2101012122210 is an abundant number, since it is smaller than the sum of its proper divisors (2941416971166).

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

2101012122210 is a wasteful number, since it uses less digits than its factorization.

2101012122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70033737417.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2101012122210 its reverse (122212101012), we get a palindrome (2223224223222).

It can be divided in two parts, 2101012 and 122210, that added together give a palindrome (2223222).

The spelling of 2101012122210 in words is "two trillion, one hundred one billion, twelve million, one hundred twenty-two thousand, two hundred ten".