2211212342524 has 12 divisors (see below), whose sum is σ = 3994448102848. Its totient is φ = 1069941456000.

The previous prime is 2211212342519. The next prime is 2211212342533. The reversal of 2211212342524 is 4252432121122.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8916178677 + ... + 8916178924.

Almost surely, 2^{2211212342524} is an apocalyptic number.

It is an amenable number.

2211212342524 is a deficient number, since it is larger than the sum of its proper divisors (1783235760324).

2211212342524 is a wasteful number, since it uses less digits than its factorization.

2211212342524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17832357636 (or 17832357634 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

Adding to 2211212342524 its reverse (4252432121122), we get a palindrome (6463644463646).

The spelling of 2211212342524 in words is "two trillion, two hundred eleven billion, two hundred twelve million, three hundred forty-two thousand, five hundred twenty-four".