101220000211101 has 4 divisors (see below), whose sum is σ = 134960000281472. Its totient is φ = 67480000140732.

The previous prime is 101220000211091. The next prime is 101220000211163. The reversal of 101220000211101 is 101112000022101.

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 de Polignac number, because none of the positive numbers 2^k-101220000211101 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 (101220000211501) 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, 16870000035181 + ... + 16870000035186.

It is an arithmetic number, because the mean of its divisors is an integer number (33740000070368).

Almost surely, 2^{101220000211101} is an apocalyptic number.

It is an amenable number.

101220000211101 is a deficient number, since it is larger than the sum of its proper divisors (33740000070371).

101220000211101 is an equidigital number, since it uses as much as digits as its factorization.

101220000211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33740000070370.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101220000211101 its reverse (101112000022101), we get a palindrome (202332000233202).

The spelling of 101220000211101 in words is "one hundred one trillion, two hundred twenty billion, two hundred eleven thousand, one hundred one".