101211012122113 has 4 divisors (see below), whose sum is σ = 101211436595668. Its totient is φ = 101210587648560.

The previous prime is 101211012122107. The next prime is 101211012122117. The reversal of 101211012122113 is 311221210112101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57514522971889 + 43696489150224 = 7583833^2 + 6610332^2 .

It is a cyclic number.

It is not a de Polignac number, because 101211012122113 - 2⁹ = 101211012121601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101211012122117) 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, 211878918 + ... + 212356063.

It is an arithmetic number, because the mean of its divisors is an integer number (25302859148917).

Almost surely, 2^{101211012122113} is an apocalyptic number.

It is an amenable number.

101211012122113 is a deficient number, since it is larger than the sum of its proper divisors (424473555).

101211012122113 is an equidigital number, since it uses as much as digits as its factorization.

101211012122113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424473554.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 101211012122113 its reverse (311221210112101), we get a palindrome (412432222234214).

The spelling of 101211012122113 in words is "one hundred one trillion, two hundred eleven billion, twelve million, one hundred twenty-two thousand, one hundred thirteen".