101321201121 has 16 divisors (see below), whose sum is σ = 154461971328. Its totient is φ = 57872419200.

The previous prime is 101321201057. The next prime is 101321201131. The reversal of 101321201121 is 121102123101.

It is not a de Polignac number, because 101321201121 - 2⁶ = 101321201057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101321201121.

It is not an unprimeable number, because it can be changed into a prime (101321201131) 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, 1009710 + ... + 1105511.

It is an arithmetic number, because the mean of its divisors is an integer number (9653873208).

Almost surely, 2^101321201121 is an apocalyptic number.

It is an amenable number.

101321201121 is a deficient number, since it is larger than the sum of its proper divisors (53140770207).

101321201121 is a wasteful number, since it uses less digits than its factorization.

101321201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117512.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 101321201121 its reverse (121102123101), we get a palindrome (222423324222).

The spelling of 101321201121 in words is "one hundred one billion, three hundred twenty-one million, two hundred one thousand, one hundred twenty-one".