2210202201121 has 4 divisors (see below), whose sum is σ = 2211612669952. Its totient is φ = 2208791732292.

The previous prime is 2210202201083. The next prime is 2210202201149. The reversal of 2210202201121 is 1211022020122.

It is a happy number.

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 2210202201121 - 2⁷ = 2210202200993 is a prime.

It is a super-2 number, since 2×2210202201121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210202201095 and 2210202201104.

It is not an unprimeable number, because it can be changed into a prime (2210202204121) 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, 705232065 + ... + 705235198.

It is an arithmetic number, because the mean of its divisors is an integer number (552903167488).

Almost surely, 2^{2210202201121} is an apocalyptic number.

It is an amenable number.

2210202201121 is a deficient number, since it is larger than the sum of its proper divisors (1410468831).

2210202201121 is a wasteful number, since it uses less digits than its factorization.

2210202201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410468830.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2210202201121 its reverse (1211022020122), we get a palindrome (3421224221243).

The spelling of 2210202201121 in words is "two trillion, two hundred ten billion, two hundred two million, two hundred one thousand, one hundred twenty-one".