202121101002022 has 8 divisors (see below), whose sum is σ = 306183450033072. Its totient is φ = 100059950991000.

The previous prime is 202121101002019. The next prime is 202121101002049. The reversal of 202121101002022 is 220200101121202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 202121101001987 and 202121101002005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500299754754 + ... + 500299755157.

It is an arithmetic number, because the mean of its divisors is an integer number (38272931254134).

Almost surely, 2^{202121101002022} is an apocalyptic number.

202121101002022 is a deficient number, since it is larger than the sum of its proper divisors (104062349031050).

202121101002022 is a wasteful number, since it uses less digits than its factorization.

202121101002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000599510014.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202121101002022 its reverse (220200101121202), we get a palindrome (422321202123224).

The spelling of 202121101002022 in words is "two hundred two trillion, one hundred twenty-one billion, one hundred one million, two thousand, twenty-two".