202002212112101 has 4 divisors (see below), whose sum is σ = 207461731358412. Its totient is φ = 196542692865792.

The previous prime is 202002212112083. The next prime is 202002212112193. The reversal of 202002212112101 is 101211212200202.

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 192643323919201 + 9358888192900 = 13879601^2 + 3059230^2 .

It is a cyclic number.

It is not a de Polignac number, because 202002212112101 - 2²⁶ = 202002145003237 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 202002212112101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202002212112401) 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, 2729759623100 + ... + 2729759623173.

It is an arithmetic number, because the mean of its divisors is an integer number (51865432839603).

Almost surely, 2^{202002212112101} is an apocalyptic number.

It is an amenable number.

202002212112101 is a deficient number, since it is larger than the sum of its proper divisors (5459519246311).

202002212112101 is an equidigital number, since it uses as much as digits as its factorization.

202002212112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459519246310.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202002212112101 its reverse (101211212200202), we get a palindrome (303213424312303).

The spelling of 202002212112101 in words is "two hundred two trillion, two billion, two hundred twelve million, one hundred twelve thousand, one hundred one".