2121152245222 has 8 divisors (see below), whose sum is σ = 3181810228776. Its totient is φ = 1060548835632.

The previous prime is 2121152245217. The next prime is 2121152245253. The reversal of 2121152245222 is 2225422511212.

It is a happy number.

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

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, 13546183 + ... + 13701874.

It is an arithmetic number, because the mean of its divisors is an integer number (397726278597).

Almost surely, 2^{2121152245222} is an apocalyptic number.

2121152245222 is a deficient number, since it is larger than the sum of its proper divisors (1060657983554).

2121152245222 is a wasteful number, since it uses less digits than its factorization.

2121152245222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27286982.

The product of its digits is 12800, while the sum is 31.

Adding to 2121152245222 its reverse (2225422511212), we get a palindrome (4346574756434).

The spelling of 2121152245222 in words is "two trillion, one hundred twenty-one billion, one hundred fifty-two million, two hundred forty-five thousand, two hundred twenty-two".