2022100121 has 4 divisors (see below), whose sum is σ = 2042946612. Its totient is φ = 2001253632.

The previous prime is 2022100117. The next prime is 2022100123. The reversal of 2022100121 is 1210012202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1383021721 + 639078400 = 37189^2 + 25280^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022100121 - 2² = 2022100117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2022100123) 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, 10423100 + ... + 10423293.

It is an arithmetic number, because the mean of its divisors is an integer number (510736653).

Almost surely, 2^2022100121 is an apocalyptic number.

It is an amenable number.

2022100121 is a deficient number, since it is larger than the sum of its proper divisors (20846491).

2022100121 is an equidigital number, since it uses as much as digits as its factorization.

2022100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20846490.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2022100121 is about 44967.7675785668. The cubic root of 2022100121 is about 1264.5447952063.

Adding to 2022100121 its reverse (1210012202), we get a palindrome (3232112323).

The spelling of 2022100121 in words is "two billion, twenty-two million, one hundred thousand, one hundred twenty-one".