2233212220121 has 16 divisors (see below), whose sum is σ = 2403611187264. Its totient is φ = 2067416193024.

The previous prime is 2233212220097. The next prime is 2233212220123. The reversal of 2233212220121 is 1210222123322.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2233212220121 - 2²⁶ = 2233145111257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2233212220123) 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, 3885455 + ... + 4423028.

It is an arithmetic number, because the mean of its divisors is an integer number (150225699204).

Almost surely, 2^{2233212220121} is an apocalyptic number.

It is an amenable number.

2233212220121 is a deficient number, since it is larger than the sum of its proper divisors (170398967143).

2233212220121 is a wasteful number, since it uses less digits than its factorization.

2233212220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8308760.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2233212220121 its reverse (1210222123322), we get a palindrome (3443434343443).

It can be divided in two parts, 223321 and 2220121, that added together give a palindrome (2443442).

The spelling of 2233212220121 in words is "two trillion, two hundred thirty-three billion, two hundred twelve million, two hundred twenty thousand, one hundred twenty-one".