202100102200001 has 4 divisors (see below), whose sum is σ = 203268310883412. Its totient is φ = 200931893516592.

The previous prime is 202100102199869. The next prime is 202100102200019. The reversal of 202100102200001 is 100002201001202.

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 82810018200001 + 119290084000000 = 9100001^2 + 10922000^2 .

It is a cyclic number.

It is not a de Polignac number, because 202100102200001 - 2¹⁸ = 202100101937857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202100102200081) 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, 584104341446 + ... + 584104341791.

It is an arithmetic number, because the mean of its divisors is an integer number (50817077720853).

Almost surely, 2^{202100102200001} is an apocalyptic number.

It is an amenable number.

202100102200001 is a deficient number, since it is larger than the sum of its proper divisors (1168208683411).

202100102200001 is a wasteful number, since it uses less digits than its factorization.

202100102200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168208683410.

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

Adding to 202100102200001 its reverse (100002201001202), we get a palindrome (302102303201203).

The spelling of 202100102200001 in words is "two hundred two trillion, one hundred billion, one hundred two million, two hundred thousand, one".