100311120131123 has 4 divisors (see below), whose sum is σ = 109430312870328. Its totient is φ = 91191927391920.

The previous prime is 100311120131083. The next prime is 100311120131149. The reversal of 100311120131123 is 321131021113001.

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 100311120131123 - 2⁶ = 100311120131059 is a prime.

It is a super-2 number, since 2×100311120131123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100311120131095 and 100311120131104.

It is not an unprimeable number, because it can be changed into a prime (100311120131153) 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, 4559596369586 + ... + 4559596369607.

It is an arithmetic number, because the mean of its divisors is an integer number (27357578217582).

Almost surely, 2^{100311120131123} is an apocalyptic number.

100311120131123 is a deficient number, since it is larger than the sum of its proper divisors (9119192739205).

100311120131123 is an equidigital number, since it uses as much as digits as its factorization.

100311120131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9119192739204.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 100311120131123 its reverse (321131021113001), we get a palindrome (421442141244124).

The spelling of 100311120131123 in words is "one hundred trillion, three hundred eleven billion, one hundred twenty million, one hundred thirty-one thousand, one hundred twenty-three".