2220121230133 has 4 divisors (see below), whose sum is σ = 2222213711148. Its totient is φ = 2218028749120.

The previous prime is 2220121230127. The next prime is 2220121230139. The reversal of 2220121230133 is 3310321210222.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2220121230127) and next prime (2220121230139).

It can be written as a sum of positive squares in 2 ways, for example, as 829660474449 + 1390460755684 = 910857^2 + 1179178^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220121230133 - 2²¹ = 2220119132981 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 (2220121230139) 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, 1046238916 + ... + 1046241037.

It is an arithmetic number, because the mean of its divisors is an integer number (555553427787).

Almost surely, 2^{2220121230133} is an apocalyptic number.

It is an amenable number.

2220121230133 is a deficient number, since it is larger than the sum of its proper divisors (2092481015).

2220121230133 is a wasteful number, since it uses less digits than its factorization.

2220121230133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092481014.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2220121230133 its reverse (3310321210222), we get a palindrome (5530442440355).

The spelling of 2220121230133 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, two hundred thirty thousand, one hundred thirty-three".