101212102111101 has 4 divisors (see below), whose sum is σ = 134949469481472. Its totient is φ = 67474734740732.

The previous prime is 101212102111079. The next prime is 101212102111147. The reversal of 101212102111101 is 101111201212101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101212102111101 is a prime.

It is a super-2 number, since 2×101212102111101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212102111151) 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, 16868683685181 + ... + 16868683685186.

It is an arithmetic number, because the mean of its divisors is an integer number (33737367370368).

Almost surely, 2^{101212102111101} is an apocalyptic number.

It is an amenable number.

101212102111101 is a deficient number, since it is larger than the sum of its proper divisors (33737367370371).

101212102111101 is an equidigital number, since it uses as much as digits as its factorization.

101212102111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33737367370370.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 101212102111101 its reverse (101111201212101), we get a palindrome (202323303323202).

The spelling of 101212102111101 in words is "one hundred one trillion, two hundred twelve billion, one hundred two million, one hundred eleven thousand, one hundred one".