2022202121 has 8 divisors (see below), whose sum is σ = 2062294344. Its totient is φ = 1982181760.

The previous prime is 2022202097. The next prime is 2022202141. The reversal of 2022202121 is 1212022202.

It can be written as a sum of positive squares in 4 ways, for example, as 194212096 + 1827990025 = 13936^2 + 42755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2022202121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022202096 and 2022202105.

It is not an unprimeable number, because it can be changed into a prime (2022202141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40751 + ... + 75531.

It is an arithmetic number, because the mean of its divisors is an integer number (257786793).

Almost surely, 2^2022202121 is an apocalyptic number.

It is an amenable number.

2022202121 is a deficient number, since it is larger than the sum of its proper divisors (40092223).

2022202121 is a wasteful number, since it uses less digits than its factorization.

2022202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35931.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2022202121 is about 44968.9017099595. The cubic root of 2022202121 is about 1264.5660571605.

Adding to 2022202121 its reverse (1212022202), we get a palindrome (3234224323).

It can be divided in two parts, 2022202 and 121, that multiplied together give a palindrome (244686442).

The spelling of 2022202121 in words is "two billion, twenty-two million, two hundred two thousand, one hundred twenty-one".