2110222220121 has 16 divisors (see below), whose sum is σ = 3128135096320. Its totient is φ = 1405968833520.

The previous prime is 2110222220101. The next prime is 2110222220131. The reversal of 2110222220121 is 1210222220112.

It is a happy number.

2110222220121 is a `hidden beast` number, since 211 + 0 + 222 + 220 + 12 + 1 = 666.

It is not a de Polignac number, because 2110222220121 - 2¹⁴ = 2110222203737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110222220094 and 2110222220103.

It is not an unprimeable number, because it can be changed into a prime (2110222220101) 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, 23453710 + ... + 23543511.

It is an arithmetic number, because the mean of its divisors is an integer number (195508443520).

Almost surely, 2^{2110222220121} is an apocalyptic number.

It is an amenable number.

2110222220121 is a deficient number, since it is larger than the sum of its proper divisors (1017912876199).

2110222220121 is a wasteful number, since it uses less digits than its factorization.

2110222220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46998893 (or 46998887 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2110222220121 its reverse (1210222220112), we get a palindrome (3320444440233).

Subtracting from 2110222220121 its reverse (1210222220112), we obtain a palindrome (900000000009).

The spelling of 2110222220121 in words is "two trillion, one hundred ten billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twenty-one".