2211220025213 has 16 divisors (see below), whose sum is σ = 2516954238720. Its totient is φ = 1929664889856.

The previous prime is 2211220025167. The next prime is 2211220025237. The reversal of 2211220025213 is 3125200221122.

It is a cyclic number.

It is not a de Polignac number, because 2211220025213 - 2⁸ = 2211220024957 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 (2211220025713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72813356 + ... + 72843717.

It is an arithmetic number, because the mean of its divisors is an integer number (157309639920).

Almost surely, 2^{2211220025213} is an apocalyptic number.

It is an amenable number.

2211220025213 is a deficient number, since it is larger than the sum of its proper divisors (305734213507).

2211220025213 is a wasteful number, since it uses less digits than its factorization.

2211220025213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145657156.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 2211220025213 its reverse (3125200221122), we get a palindrome (5336420246335).

The spelling of 2211220025213 in words is "two trillion, two hundred eleven billion, two hundred twenty million, twenty-five thousand, two hundred thirteen".