202144102021 has 8 divisors (see below), whose sum is σ = 203182936704. Its totient is φ = 201105396240.

The previous prime is 202144102003. The next prime is 202144102049. The reversal of 202144102021 is 120201441202.

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 202144102021 - 2²³ = 202135713413 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 202144102021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202144105021) 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, 5827896 + ... + 5862478.

It is an arithmetic number, because the mean of its divisors is an integer number (25397867088).

Almost surely, 2^202144102021 is an apocalyptic number.

It is an amenable number.

202144102021 is a deficient number, since it is larger than the sum of its proper divisors (1038834683).

202144102021 is a wasteful number, since it uses less digits than its factorization.

202144102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64451.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202144102021 its reverse (120201441202), we get a palindrome (322345543223).

The spelling of 202144102021 in words is "two hundred two billion, one hundred forty-four million, one hundred two thousand, twenty-one".