2122601322215 has 16 divisors (see below), whose sum is σ = 2789007772320. Its totient is φ = 1537971342720.

The previous prime is 2122601322119. The next prime is 2122601322227. The reversal of 2122601322215 is 5122231062212.

It is a happy number.

It is not a de Polignac number, because 2122601322215 - 2¹² = 2122601318119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71718944 + ... + 71748533.

It is an arithmetic number, because the mean of its divisors is an integer number (174312985770).

Almost surely, 2^{2122601322215} is an apocalyptic number.

2122601322215 is a deficient number, since it is larger than the sum of its proper divisors (666406450105).

2122601322215 is a wasteful number, since it uses less digits than its factorization.

2122601322215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143467762.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 2122601322215 its reverse (5122231062212), we get a palindrome (7244832384427).

The spelling of 2122601322215 in words is "two trillion, one hundred twenty-two billion, six hundred one million, three hundred twenty-two thousand, two hundred fifteen".