202111102021002 has 32 divisors (see below), whose sum is σ = 425497831686720. Its totient is φ = 63824442312960.

The previous prime is 202111102020991. The next prime is 202111102021019. The reversal of 202111102021002 is 200120201111202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78728308 + ... + 81254960.

It is an arithmetic number, because the mean of its divisors is an integer number (13296807240210).

Almost surely, 2^{202111102021002} is an apocalyptic number.

202111102021002 is an abundant number, since it is smaller than the sum of its proper divisors (223386729665718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202111102021002 is a wasteful number, since it uses less digits than its factorization.

202111102021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228358.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202111102021002 its reverse (200120201111202), we get a palindrome (402231303132204).

The spelling of 202111102021002 in words is "two hundred two trillion, one hundred eleven billion, one hundred two million, twenty-one thousand, two".