2111122202010 has 64 divisors (see below), whose sum is σ = 5072314262400. Its totient is φ = 562341722112.

The previous prime is 2111122201949. The next prime is 2111122202011. The reversal of 2111122202010 is 102022211112.

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

It is not an unprimeable number, because it can be changed into a prime (2111122202011) 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, 116892361 + ... + 116910419.

It is an arithmetic number, because the mean of its divisors is an integer number (79254910350).

Almost surely, 2^{2111122202010} is an apocalyptic number.

2111122202010 is an abundant number, since it is smaller than the sum of its proper divisors (2961192060390).

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

2111122202010 is a wasteful number, since it uses less digits than its factorization.

2111122202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22175.

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

Adding to 2111122202010 its reverse (102022211112), we get a palindrome (2213144413122).

It can be divided in two parts, 2111122 and 202010, that added together give a palindrome (2313132).

The spelling of 2111122202010 in words is "two trillion, one hundred eleven billion, one hundred twenty-two million, two hundred two thousand, ten".