202012021222111 has 8 divisors (see below), whose sum is σ = 216130203897200. Its totient is φ = 188242435650240.

The previous prime is 202012021222093. The next prime is 202012021222139. The reversal of 202012021222111 is 111222120210202.

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

It is a cyclic number.

It is not a de Polignac number, because 202012021222111 - 2¹⁵ = 202012021189343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012021232111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87149274606 + ... + 87149276923.

It is an arithmetic number, because the mean of its divisors is an integer number (27016275487150).

Almost surely, 2^{202012021222111} is an apocalyptic number.

202012021222111 is a deficient number, since it is larger than the sum of its proper divisors (14118182675089).

202012021222111 is a wasteful number, since it uses less digits than its factorization.

202012021222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174298551609.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202012021222111 its reverse (111222120210202), we get a palindrome (313234141432313).

The spelling of 202012021222111 in words is "two hundred two trillion, twelve billion, twenty-one million, two hundred twenty-two thousand, one hundred eleven".