202210102111121 has 8 divisors (see below), whose sum is σ = 217891259206824. Its totient is φ = 186547021280640.

The previous prime is 202210102111117. The next prime is 202210102111139. The reversal of 202210102111121 is 121111201012202.

It can be written as a sum of positive squares in 4 ways, for example, as 38812401601600 + 163397700509521 = 6229960^2 + 12782711^2 .

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 202210102111121 - 2² = 202210102111117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202210102111121.

It is not an unprimeable number, because it can be changed into a prime (202210102111421) 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, 4519043066 + ... + 4519087811.

It is an arithmetic number, because the mean of its divisors is an integer number (27236407400853).

Almost surely, 2^{202210102111121} is an apocalyptic number.

It is an amenable number.

202210102111121 is a deficient number, since it is larger than the sum of its proper divisors (15681157095703).

202210102111121 is a wasteful number, since it uses less digits than its factorization.

202210102111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9038132611.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 202210102111121 its reverse (121111201012202), we get a palindrome (323321303123323).

The spelling of 202210102111121 in words is "two hundred two trillion, two hundred ten billion, one hundred two million, one hundred eleven thousand, one hundred twenty-one".