101111231101121 has 4 divisors (see below), whose sum is σ = 101161710998832. Its totient is φ = 101060751203412.

The previous prime is 101111231101117. The next prime is 101111231101141. The reversal of 101111231101121 is 121101132111101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101111231101121 - 2² = 101111231101117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101111231101121.

It is not an unprimeable number, because it can be changed into a prime (101111231101141) 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, 25239945851 + ... + 25239949856.

It is an arithmetic number, because the mean of its divisors is an integer number (25290427749708).

Almost surely, 2^{101111231101121} is an apocalyptic number.

It is an amenable number.

101111231101121 is a deficient number, since it is larger than the sum of its proper divisors (50479897711).

101111231101121 is an equidigital number, since it uses as much as digits as its factorization.

101111231101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50479897710.

The product of its (nonzero) digits is 12, while the sum is 17.

Adding to 101111231101121 its reverse (121101132111101), we get a palindrome (222212363212222).

The spelling of 101111231101121 in words is "one hundred one trillion, one hundred eleven billion, two hundred thirty-one million, one hundred one thousand, one hundred twenty-one".