2220120102101 has 4 divisors (see below), whose sum is σ = 2421949202304. Its totient is φ = 2018291001900.

The previous prime is 2220120102071. The next prime is 2220120102133. The reversal of 2220120102101 is 1012010210222.

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 2220120102101 - 2¹⁰ = 2220120101077 is a prime.

It is a super-2 number, since 2×2220120102101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220120102191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100914550085 + ... + 100914550106.

It is an arithmetic number, because the mean of its divisors is an integer number (605487300576).

Almost surely, 2^{2220120102101} is an apocalyptic number.

It is an amenable number.

2220120102101 is a deficient number, since it is larger than the sum of its proper divisors (201829100203).

2220120102101 is a wasteful number, since it uses less digits than its factorization.

2220120102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201829100202.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2220120102101 its reverse (1012010210222), we get a palindrome (3232130312323).

The spelling of 2220120102101 in words is "two trillion, two hundred twenty billion, one hundred twenty million, one hundred two thousand, one hundred one".