220101131233111 has 4 divisors (see below), whose sum is σ = 220238952857272. Its totient is φ = 219963309608952.

The previous prime is 220101131233031. The next prime is 220101131233127. The reversal of 220101131233111 is 111332131101022.

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

It is a cyclic number.

It is not a de Polignac number, because 220101131233111 - 2²³ = 220101122844503 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 (220101131233211) 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, 68910809685 + ... + 68910812878.

It is an arithmetic number, because the mean of its divisors is an integer number (55059738214318).

Almost surely, 2^{220101131233111} is an apocalyptic number.

220101131233111 is a deficient number, since it is larger than the sum of its proper divisors (137821624161).

220101131233111 is a wasteful number, since it uses less digits than its factorization.

220101131233111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137821624160.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 220101131233111 its reverse (111332131101022), we get a palindrome (331433262334133).

The spelling of 220101131233111 in words is "two hundred twenty trillion, one hundred one billion, one hundred thirty-one million, two hundred thirty-three thousand, one hundred eleven".