2210212011121 has 4 divisors (see below), whose sum is σ = 2210227500544. Its totient is φ = 2210196521700.

The previous prime is 2210212011109. The next prime is 2210212011127. The reversal of 2210212011121 is 1211102120122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2210212011121 - 2⁵ = 2210212011089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210212011095 and 2210212011104.

It is not an unprimeable number, because it can be changed into a prime (2210212011127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7528665 + ... + 7816726.

It is an arithmetic number, because the mean of its divisors is an integer number (552556875136).

Almost surely, 2^{2210212011121} is an apocalyptic number.

It is an amenable number.

2210212011121 is a deficient number, since it is larger than the sum of its proper divisors (15489423).

2210212011121 is a wasteful number, since it uses less digits than its factorization.

2210212011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15489422.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2210212011121 its reverse (1211102120122), we get a palindrome (3421314131243).

The spelling of 2210212011121 in words is "two trillion, two hundred ten billion, two hundred twelve million, eleven thousand, one hundred twenty-one".