101201120121 has 4 divisors (see below), whose sum is σ = 134934826832. Its totient is φ = 67467413412.

The previous prime is 101201120107. The next prime is 101201120147. The reversal of 101201120121 is 121021102101.

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 not a de Polignac number, because 101201120121 - 2⁹ = 101201119609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101201120097 and 101201120106.

It is not an unprimeable number, because it can be changed into a prime (101201120101) 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, 16866853351 + ... + 16866853356.

It is an arithmetic number, because the mean of its divisors is an integer number (33733706708).

Almost surely, 2^101201120121 is an apocalyptic number.

It is an amenable number.

101201120121 is a deficient number, since it is larger than the sum of its proper divisors (33733706711).

101201120121 is an equidigital number, since it uses as much as digits as its factorization.

101201120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33733706710.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101201120121 its reverse (121021102101), we get a palindrome (222222222222).

The spelling of 101201120121 in words is "one hundred one billion, two hundred one million, one hundred twenty thousand, one hundred twenty-one".