2112206154015 has 16 divisors (see below), whose sum is σ = 3380326443648. Its totient is φ = 1126244416416.

The previous prime is 2112206153989. The next prime is 2112206154083. The reversal of 2112206154015 is 5104516022112.

It is not a de Polignac number, because 2112206154015 - 2⁵ = 2112206153983 is a prime.

It is a super-2 number, since 2×2112206154015² (a number of 25 digits) contains 22 as substring.

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, 16530009 + ... + 16657298.

It is an arithmetic number, because the mean of its divisors is an integer number (211270402728).

Almost surely, 2^{2112206154015} is an apocalyptic number.

2112206154015 is a deficient number, since it is larger than the sum of its proper divisors (1268120289633).

2112206154015 is a wasteful number, since it uses less digits than its factorization.

2112206154015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33191558.

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 2112206154015 in words is "two trillion, one hundred twelve billion, two hundred six million, one hundred fifty-four thousand, fifteen".