202121012220002 has 8 divisors (see below), whose sum is σ = 303459411567312. Its totient is φ = 100967875030900.

The previous prime is 202121012219927. The next prime is 202121012220047. The reversal of 202121012220002 is 200022210121202.

It is a happy number.

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

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, 46315536824 + ... + 46315541187.

It is an arithmetic number, because the mean of its divisors is an integer number (37932426445914).

Almost surely, 2^{202121012220002} is an apocalyptic number.

202121012220002 is a deficient number, since it is larger than the sum of its proper divisors (101338399347310).

202121012220002 is a wasteful number, since it uses less digits than its factorization.

202121012220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92631079104.

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

Adding to 202121012220002 its reverse (200022210121202), we get a palindrome (402143222341204).

The spelling of 202121012220002 in words is "two hundred two trillion, one hundred twenty-one billion, twelve million, two hundred twenty thousand, two".