2216144662021 has 16 divisors (see below), whose sum is σ = 2330289244800. Its totient is φ = 2104519435200.

The previous prime is 2216144662009. The next prime is 2216144662093. The reversal of 2216144662021 is 1202664416122.

It is a cyclic number.

It is not a de Polignac number, because 2216144662021 - 2¹⁵ = 2216144629253 is a prime.

It is a super-2 number, since 2×2216144662021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216144662001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41599720 + ... + 41652958.

It is an arithmetic number, because the mean of its divisors is an integer number (145643077800).

Almost surely, 2^{2216144662021} is an apocalyptic number.

It is an amenable number.

2216144662021 is a deficient number, since it is larger than the sum of its proper divisors (114144582779).

2216144662021 is a wasteful number, since it uses less digits than its factorization.

2216144662021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76860.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 2216144662021 in words is "two trillion, two hundred sixteen billion, one hundred forty-four million, six hundred sixty-two thousand, twenty-one".