202111331122213 has 8 divisors (see below), whose sum is σ = 202156099681536. Its totient is φ = 202066563510000.

The previous prime is 202111331122177. The next prime is 202111331122241. The reversal of 202111331122213 is 312221133111202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202111331122213 is a prime.

It is a super-3 number, since 3×202111331122213³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202111331132213) 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, 584347395 + ... + 584693167.

It is an arithmetic number, because the mean of its divisors is an integer number (25269512460192).

Almost surely, 2^{202111331122213} is an apocalyptic number.

It is an amenable number.

202111331122213 is a deficient number, since it is larger than the sum of its proper divisors (44768559323).

202111331122213 is a wasteful number, since it uses less digits than its factorization.

202111331122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473555.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 202111331122213 its reverse (312221133111202), we get a palindrome (514332464233415).

The spelling of 202111331122213 in words is "two hundred two trillion, one hundred eleven billion, three hundred thirty-one million, one hundred twenty-two thousand, two hundred thirteen".