202143102001 has 16 divisors (see below), whose sum is σ = 210611152080. Its totient is φ = 193869153280.

The previous prime is 202143101969. The next prime is 202143102023. The reversal of 202143102001 is 100201341202.

It can be written as a sum of positive squares in 8 ways, for example, as 54207480625 + 147935621376 = 232825^2 + 384624^2 .

It is a cyclic number.

It is not a de Polignac number, because 202143102001 - 2⁵ = 202143101969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202143102061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471171 + ... + 791383.

It is an arithmetic number, because the mean of its divisors is an integer number (13163197005).

Almost surely, 2^202143102001 is an apocalyptic number.

It is an amenable number.

202143102001 is a deficient number, since it is larger than the sum of its proper divisors (8468050079).

202143102001 is a wasteful number, since it uses less digits than its factorization.

202143102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320516.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 202143102001 its reverse (100201341202), we get a palindrome (302344443203).

The spelling of 202143102001 in words is "two hundred two billion, one hundred forty-three million, one hundred two thousand, one".