101213302121 has 16 divisors (see below), whose sum is σ = 103145178048. Its totient is φ = 99290664000.

The previous prime is 101213302093. The next prime is 101213302147. The reversal of 101213302121 is 121203312101.

It is a cyclic number.

It is not a de Polignac number, because 101213302121 - 2¹⁰ = 101213301097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101213302121.

It is not an unprimeable number, because it can be changed into a prime (101213302181) 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, 69657431 + ... + 69658883.

It is an arithmetic number, because the mean of its divisors is an integer number (6446573628).

Almost surely, 2^101213302121 is an apocalyptic number.

It is an amenable number.

101213302121 is a deficient number, since it is larger than the sum of its proper divisors (1931875927).

101213302121 is a wasteful number, since it uses less digits than its factorization.

101213302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101213302121 its reverse (121203312101), we get a palindrome (222416614222).

The spelling of 101213302121 in words is "one hundred one billion, two hundred thirteen million, three hundred two thousand, one hundred twenty-one".