22121550602215 has 8 divisors (see below), whose sum is σ = 26564515587648. Its totient is φ = 17684803905120.

The previous prime is 22121550602209. The next prime is 22121550602227. The reversal of 22121550602215 is 51220605512122.

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

It is not a de Polignac number, because 22121550602215 - 2⁷ = 22121550602087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1554564256 + ... + 1554578485.

It is an arithmetic number, because the mean of its divisors is an integer number (3320564448456).

Almost surely, 2^{22121550602215} is an apocalyptic number.

22121550602215 is a deficient number, since it is larger than the sum of its proper divisors (4442964985433).

22121550602215 is a wasteful number, since it uses less digits than its factorization.

22121550602215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109144169.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 22121550602215 in words is "twenty-two trillion, one hundred twenty-one billion, five hundred fifty million, six hundred two thousand, two hundred fifteen".