2022111212121 has 96 divisors (see below), whose sum is σ = 3922353856512. Its totient is φ = 969474718080.

The previous prime is 2022111212111. The next prime is 2022111212153. The reversal of 2022111212121 is 1212121112202.

It is not a de Polignac number, because 2022111212121 - 2⁷ = 2022111211993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2022111212094 and 2022111212103.

It is not an unprimeable number, because it can be changed into a prime (2022111212111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 62893776 + ... + 62925918.

It is an arithmetic number, because the mean of its divisors is an integer number (40857852672).

Almost surely, 2^{2022111212121} is an apocalyptic number.

2022111212121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2022111212121 is a deficient number, since it is larger than the sum of its proper divisors (1900242644391).

2022111212121 is a wasteful number, since it uses less digits than its factorization.

2022111212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39163 (or 39160 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2022111212121 its reverse (1212121112202), we get a palindrome (3234232324323).

The spelling of 2022111212121 in words is "two trillion, twenty-two billion, one hundred eleven million, two hundred twelve thousand, one hundred twenty-one".