2213121253454 has 8 divisors (see below), whose sum is σ = 3345821107968. Its totient is φ = 1097847550800.

The previous prime is 2213121253451. The next prime is 2213121253493. The reversal of 2213121253454 is 4543521213122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213121253451) 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, 4356537647 + ... + 4356538154.

It is an arithmetic number, because the mean of its divisors is an integer number (418227638496).

Almost surely, 2^{2213121253454} is an apocalyptic number.

2213121253454 is a deficient number, since it is larger than the sum of its proper divisors (1132699854514).

2213121253454 is a wasteful number, since it uses less digits than its factorization.

2213121253454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8713075930.

The product of its digits is 57600, while the sum is 35.

Adding to 2213121253454 its reverse (4543521213122), we get a palindrome (6756642466576).

The spelling of 2213121253454 in words is "two trillion, two hundred thirteen billion, one hundred twenty-one million, two hundred fifty-three thousand, four hundred fifty-four".