101020313212111 has 4 divisors (see below), whose sum is σ = 101020348165000. Its totient is φ = 101020278259224.

The previous prime is 101020313212067. The next prime is 101020313212153. The reversal of 101020313212111 is 111212313020101.

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

It is a cyclic number.

It is not a de Polignac number, because 101020313212111 - 2¹⁵ = 101020313179343 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 (101020313212711) 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, 12707361 + ... + 19066138.

It is an arithmetic number, because the mean of its divisors is an integer number (25255087041250).

Almost surely, 2^{101020313212111} is an apocalyptic number.

101020313212111 is a deficient number, since it is larger than the sum of its proper divisors (34952889).

101020313212111 is an equidigital number, since it uses as much as digits as its factorization.

101020313212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34952888.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 101020313212111 its reverse (111212313020101), we get a palindrome (212232626232212).

The spelling of 101020313212111 in words is "one hundred one trillion, twenty billion, three hundred thirteen million, two hundred twelve thousand, one hundred eleven".