202000200121111 has 32 divisors (see below), whose sum is σ = 235945101450240. Its totient is φ = 169348373415936.

The previous prime is 202000200121079. The next prime is 202000200121147. The reversal of 202000200121111 is 111121002000202.

It is a cyclic number.

It is not a de Polignac number, because 202000200121111 - 2⁵ = 202000200121079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202000200121091 and 202000200121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202000200121411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154977720 + ... + 156275698.

It is an arithmetic number, because the mean of its divisors is an integer number (7373284420320).

Almost surely, 2^{202000200121111} is an apocalyptic number.

202000200121111 is a deficient number, since it is larger than the sum of its proper divisors (33944901329129).

202000200121111 is a wasteful number, since it uses less digits than its factorization.

202000200121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299343.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202000200121111 its reverse (111121002000202), we get a palindrome (313121202121313).

The spelling of 202000200121111 in words is "two hundred two trillion, two hundred million, one hundred twenty-one thousand, one hundred eleven".