2220121130101 has 4 divisors (see below), whose sum is σ = 2537281291552. Its totient is φ = 1902960968652.

The previous prime is 2220121129943. The next prime is 2220121130113. The reversal of 2220121130101 is 1010311210222.

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 2220121130101 - 2¹⁷ = 2220120999029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220121130141) 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, 158580080715 + ... + 158580080728.

It is an arithmetic number, because the mean of its divisors is an integer number (634320322888).

Almost surely, 2^{2220121130101} is an apocalyptic number.

It is an amenable number.

2220121130101 is a deficient number, since it is larger than the sum of its proper divisors (317160161451).

2220121130101 is an equidigital number, since it uses as much as digits as its factorization.

2220121130101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317160161450.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2220121130101 its reverse (1010311210222), we get a palindrome (3230432340323).

The spelling of 2220121130101 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred thirty thousand, one hundred one".