101112101202221 has 8 divisors (see below), whose sum is σ = 106451712021600. Its totient is φ = 95774282511120.

The previous prime is 101112101202191. The next prime is 101112101202271. The reversal of 101112101202221 is 122202101211101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101112101202221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101112101202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112101202271) 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, 447916250 + ... + 448141931.

It is an arithmetic number, because the mean of its divisors is an integer number (13306464002700).

Almost surely, 2^{101112101202221} is an apocalyptic number.

It is an amenable number.

101112101202221 is a deficient number, since it is larger than the sum of its proper divisors (5339610819379).

101112101202221 is an equidigital number, since it uses as much as digits as its factorization.

101112101202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896064139.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101112101202221 its reverse (122202101211101), we get a palindrome (223314202413322).

The spelling of 101112101202221 in words is "one hundred one trillion, one hundred twelve billion, one hundred one million, two hundred two thousand, two hundred twenty-one".