202212111001111 has 4 divisors (see below), whose sum is σ = 212854853685400. Its totient is φ = 191569368316824.

The previous prime is 202212111001031. The next prime is 202212111001123. The reversal of 202212111001111 is 111100111212202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202212111001111 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 (202212111001171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5321371342116 + ... + 5321371342153.

It is an arithmetic number, because the mean of its divisors is an integer number (53213713421350).

Almost surely, 2^{202212111001111} is an apocalyptic number.

202212111001111 is a deficient number, since it is larger than the sum of its proper divisors (10642742684289).

202212111001111 is a wasteful number, since it uses less digits than its factorization.

202212111001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10642742684288.

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

Adding to 202212111001111 its reverse (111100111212202), we get a palindrome (313312222213313).

The spelling of 202212111001111 in words is "two hundred two trillion, two hundred twelve billion, one hundred eleven million, one thousand, one hundred eleven".