101011011222131 has 4 divisors (see below), whose sum is σ = 101011360971000. Its totient is φ = 101010661473264.

The previous prime is 101011011222089. The next prime is 101011011222193. The reversal of 101011011222131 is 131222110110101.

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-101011011222131 is a prime.

It is a super-2 number, since 2×101011011222131² (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 (101011011212131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174440861 + ... + 175018958.

It is an arithmetic number, because the mean of its divisors is an integer number (25252840242750).

Almost surely, 2^{101011011222131} is an apocalyptic number.

101011011222131 is a deficient number, since it is larger than the sum of its proper divisors (349748869).

101011011222131 is an equidigital number, since it uses as much as digits as its factorization.

101011011222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349748868.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 101011011222131 its reverse (131222110110101), we get a palindrome (232233121332232).

The spelling of 101011011222131 in words is "one hundred one trillion, eleven billion, eleven million, two hundred twenty-two thousand, one hundred thirty-one".