22022101012121 has 4 divisors (see below), whose sum is σ = 25168115442432. Its totient is φ = 18876086581812.

The previous prime is 22022101012111. The next prime is 22022101012187. The reversal of 22022101012121 is 12121010122022.

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 22022101012121 - 2²² = 22022096817817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22022101012121.

It is not an unprimeable number, because it can be changed into a prime (22022101012111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573007215145 + ... + 1573007215158.

It is an arithmetic number, because the mean of its divisors is an integer number (6292028860608).

Almost surely, 2^{22022101012121} is an apocalyptic number.

It is an amenable number.

22022101012121 is a deficient number, since it is larger than the sum of its proper divisors (3146014430311).

22022101012121 is an equidigital number, since it uses as much as digits as its factorization.

22022101012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146014430310.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22022101012121 its reverse (12121010122022), we get a palindrome (34143111134143).

The spelling of 22022101012121 in words is "twenty-two trillion, twenty-two billion, one hundred one million, twelve thousand, one hundred twenty-one".