202201211212111 has 8 divisors (see below), whose sum is σ = 203656250568960. Its totient is φ = 200746176918168.

The previous prime is 202201211212103. The next prime is 202201211212157. The reversal of 202201211212111 is 111212112102202.

It is a happy number.

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 202201211212111 - 2³ = 202201211212103 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 (202201211212171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121771530 + ... + 123420856.

It is an arithmetic number, because the mean of its divisors is an integer number (25457031321120).

Almost surely, 2^{202201211212111} is an apocalyptic number.

202201211212111 is a deficient number, since it is larger than the sum of its proper divisors (1455039356849).

202201211212111 is a wasteful number, since it uses less digits than its factorization.

202201211212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531453.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 202201211212111 its reverse (111212112102202), we get a palindrome (313413323314313).

The spelling of 202201211212111 in words is "two hundred two trillion, two hundred one billion, two hundred eleven million, two hundred twelve thousand, one hundred eleven".