212103311313101 has 8 divisors (see below), whose sum is σ = 228679405560984. Its totient is φ = 195564424910400.

The previous prime is 212103311313071. The next prime is 212103311313161. The reversal of 212103311313101 is 101313113301212.

It can be written as a sum of positive squares in 4 ways, for example, as 38993767761001 + 173109543552100 = 6244499^2 + 13157110^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212103311313101 - 2⁶ = 212103311313037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212103311313161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9301949450 + ... + 9301972251.

It is an arithmetic number, because the mean of its divisors is an integer number (28584925695123).

Almost surely, 2^{212103311313101} is an apocalyptic number.

It is an amenable number.

212103311313101 is a deficient number, since it is larger than the sum of its proper divisors (16576094247883).

212103311313101 is a wasteful number, since it uses less digits than its factorization.

212103311313101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18603922591.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 212103311313101 its reverse (101313113301212), we get a palindrome (313416424614313).

The spelling of 212103311313101 in words is "two hundred twelve trillion, one hundred three billion, three hundred eleven million, three hundred thirteen thousand, one hundred one".