2101001221122 has 32 divisors (see below), whose sum is σ = 4506616336320. Its totient is φ = 650955689280.

The previous prime is 2101001221051. The next prime is 2101001221133. The reversal of 2101001221122 is 2211221001012.

It is a super-2 number, since 2×2101001221122² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173860329 + ... + 173872412.

It is an arithmetic number, because the mean of its divisors is an integer number (140831760510).

Almost surely, 2^{2101001221122} is an apocalyptic number.

2101001221122 is an abundant number, since it is smaller than the sum of its proper divisors (2405615115198).

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

2101001221122 is a wasteful number, since it uses less digits than its factorization.

2101001221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347732818.

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

Adding to 2101001221122 its reverse (2211221001012), we get a palindrome (4312222222134).

The spelling of 2101001221122 in words is "two trillion, one hundred one billion, one million, two hundred twenty-one thousand, one hundred twenty-two".