101201310121 has 16 divisors (see below), whose sum is σ = 108103080960. Its totient is φ = 94529050560.

The previous prime is 101201310107. The next prime is 101201310139. The reversal of 101201310121 is 121013102101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101201310121 - 2⁹ = 101201309609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101201310101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3051796 + ... + 3084778.

It is an arithmetic number, because the mean of its divisors is an integer number (6756442560).

Almost surely, 2^101201310121 is an apocalyptic number.

It is an amenable number.

101201310121 is a deficient number, since it is larger than the sum of its proper divisors (6901770839).

101201310121 is a wasteful number, since it uses less digits than its factorization.

101201310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36456.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101201310121 its reverse (121013102101), we get a palindrome (222214412222).

The spelling of 101201310121 in words is "one hundred one billion, two hundred one million, three hundred ten thousand, one hundred twenty-one".