202022101121 has 8 divisors (see below), whose sum is σ = 212931559080. Its totient is φ = 191375521792.

The previous prime is 202022101111. The next prime is 202022101159. The reversal of 202022101121 is 121101220202.

It can be written as a sum of positive squares in 4 ways, for example, as 41072696896 + 160949404225 = 202664^2 + 401185^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 202022101121 - 2²² = 202017906817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202022101096 and 202022101105.

It is not an unprimeable number, because it can be changed into a prime (202022101111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65718080 + ... + 65721153.

It is an arithmetic number, because the mean of its divisors is an integer number (26616444885).

Almost surely, 2^202022101121 is an apocalyptic number.

It is an amenable number.

202022101121 is a deficient number, since it is larger than the sum of its proper divisors (10909457959).

202022101121 is a wasteful number, since it uses less digits than its factorization.

202022101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131439315.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202022101121 its reverse (121101220202), we get a palindrome (323123321323).

The spelling of 202022101121 in words is "two hundred two billion, twenty-two million, one hundred one thousand, one hundred twenty-one".