111220200022101 has 4 divisors (see below), whose sum is σ = 148293600029472. Its totient is φ = 74146800014732.

The previous prime is 111220200022073. The next prime is 111220200022123. The reversal of 111220200022101 is 101220002022111.

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 not a de Polignac number, because 111220200022101 - 2¹⁸ = 111220199759957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220200022201) 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, 18536700003681 + ... + 18536700003686.

It is an arithmetic number, because the mean of its divisors is an integer number (37073400007368).

Almost surely, 2^{111220200022101} is an apocalyptic number.

It is an amenable number.

111220200022101 is a deficient number, since it is larger than the sum of its proper divisors (37073400007371).

111220200022101 is an equidigital number, since it uses as much as digits as its factorization.

111220200022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37073400007370.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111220200022101 its reverse (101220002022111), we get a palindrome (212440202044212).

The spelling of 111220200022101 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred million, twenty-two thousand, one hundred one".