202000021200122 has 8 divisors (see below), whose sum is σ = 313448308758900. Its totient is φ = 97517251613824.

The previous prime is 202000021200083. The next prime is 202000021200137. The reversal of 202000021200122 is 221002120000202.

It can be written as a sum of positive squares in 2 ways, for example, as 201482155302481 + 517865897641 = 14194441^2 + 719629^2 .

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 = 202000021200097 and 202000021200106.

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, 1741379493047 + ... + 1741379493162.

Almost surely, 2^{202000021200122} is an apocalyptic number.

202000021200122 is a deficient number, since it is larger than the sum of its proper divisors (111448287558778).

202000021200122 is a wasteful number, since it uses less digits than its factorization.

202000021200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3482758986240.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202000021200122 its reverse (221002120000202), we get a palindrome (423002141200324).

The spelling of 202000021200122 in words is "two hundred two trillion, twenty-one million, two hundred thousand, one hundred twenty-two".