101111213031331 has 4 divisors (see below), whose sum is σ = 101556636877512. Its totient is φ = 100665789185152.

The previous prime is 101111213031329. The next prime is 101111213031347. The reversal of 101111213031331 is 133130312111101.

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 101111213031331 - 2¹ = 101111213031329 is a prime.

It is a super-2 number, since 2×101111213031331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101111213631331) 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, 222711922750 + ... + 222711923203.

It is an arithmetic number, because the mean of its divisors is an integer number (25389159219378).

Almost surely, 2^{101111213031331} is an apocalyptic number.

101111213031331 is a deficient number, since it is larger than the sum of its proper divisors (445423846181).

101111213031331 is an equidigital number, since it uses as much as digits as its factorization.

101111213031331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445423846180.

The product of its (nonzero) digits is 162, while the sum is 22.

Adding to 101111213031331 its reverse (133130312111101), we get a palindrome (234241525142432).

The spelling of 101111213031331 in words is "one hundred one trillion, one hundred eleven billion, two hundred thirteen million, thirty-one thousand, three hundred thirty-one".