202121022210002 has 64 divisors (see below), whose sum is σ = 369021734565120. Its totient is φ = 81051076915200.

The previous prime is 202121022209993. The next prime is 202121022210017. The reversal of 202121022210002 is 200012220121202.

It is a happy number.

It is a super-2 number, since 2×202121022210002² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132308477 + ... + 133827407.

It is an arithmetic number, because the mean of its divisors is an integer number (5765964602580).

Almost surely, 2^{202121022210002} is an apocalyptic number.

202121022210002 is a deficient number, since it is larger than the sum of its proper divisors (166900712355118).

202121022210002 is a wasteful number, since it uses less digits than its factorization.

202121022210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522227.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202121022210002 its reverse (200012220121202), we get a palindrome (402133242331204).

The spelling of 202121022210002 in words is "two hundred two trillion, one hundred twenty-one billion, twenty-two million, two hundred ten thousand, two".