202221111010111 has 8 divisors (see below), whose sum is σ = 214639982641440. Its totient is φ = 189860407396608.

The previous prime is 202221111010099. The next prime is 202221111010129. The reversal of 202221111010111 is 111010111122202.

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

It is not a de Polignac number, because 202221111010111 - 2²¹ = 202221108912959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202221111010151) 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, 14541997291 + ... + 14542011196.

It is an arithmetic number, because the mean of its divisors is an integer number (26829997830180).

Almost surely, 2^{202221111010111} is an apocalyptic number.

202221111010111 is a deficient number, since it is larger than the sum of its proper divisors (12418871631329).

202221111010111 is a wasteful number, since it uses less digits than its factorization.

202221111010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29084008913.

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

Adding to 202221111010111 its reverse (111010111122202), we get a palindrome (313231222132313).

The spelling of 202221111010111 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred eleven million, ten thousand, one hundred eleven".