101331001212103 has 4 divisors (see below), whose sum is σ = 109125693613048. Its totient is φ = 93536308811160.

The previous prime is 101331001212083. The next prime is 101331001212127. The reversal of 101331001212103 is 301212100133101.

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 101331001212103 - 2⁹ = 101331001211591 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 (101331008212103) 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, 3897346200453 + ... + 3897346200478.

It is an arithmetic number, because the mean of its divisors is an integer number (27281423403262).

Almost surely, 2^{101331001212103} is an apocalyptic number.

101331001212103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101331001212103 is a deficient number, since it is larger than the sum of its proper divisors (7794692400945).

101331001212103 is an equidigital number, since it uses as much as digits as its factorization.

101331001212103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7794692400944.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 101331001212103 its reverse (301212100133101), we get a palindrome (402543101345204).

The spelling of 101331001212103 in words is "one hundred one trillion, three hundred thirty-one billion, one million, two hundred twelve thousand, one hundred three".