2210101121121 has 32 divisors (see below), whose sum is σ = 3045494350080. Its totient is φ = 1424580194304.

The previous prime is 2210101121009. The next prime is 2210101121131. The reversal of 2210101121121 is 1211211010122.

It is a happy number.

It is not a de Polignac number, because 2210101121121 - 2²⁵ = 2210067566689 is a prime.

It is a super-2 number, since 2×2210101121121² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2210101121121.

It is not an unprimeable number, because it can be changed into a prime (2210101121131) 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, 12924145 + ... + 13094033.

It is an arithmetic number, because the mean of its divisors is an integer number (95171698440).

Almost surely, 2^{2210101121121} is an apocalyptic number.

It is an amenable number.

2210101121121 is a deficient number, since it is larger than the sum of its proper divisors (835393228959).

2210101121121 is a wasteful number, since it uses less digits than its factorization.

2210101121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170665.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2210101121121 its reverse (1211211010122), we get a palindrome (3421312131243).

The spelling of 2210101121121 in words is "two trillion, two hundred ten billion, one hundred one million, one hundred twenty-one thousand, one hundred twenty-one".