102216420455 has 16 divisors (see below), whose sum is σ = 130554975744. Its totient is φ = 76559992320.

The previous prime is 102216420431. The next prime is 102216420463. The reversal of 102216420455 is 554024612201.

It is not a de Polignac number, because 102216420455 - 2⁶ = 102216420391 is a prime.

It is a super-2 number, since 2×102216420455² (a number of 23 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 3131792 + ... + 3164261.

It is an arithmetic number, because the mean of its divisors is an integer number (8159685984).

Almost surely, 2^102216420455 is an apocalyptic number.

102216420455 is a deficient number, since it is larger than the sum of its proper divisors (28338555289).

102216420455 is a wasteful number, since it uses less digits than its factorization.

102216420455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6296266.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 102216420455 in words is "one hundred two billion, two hundred sixteen million, four hundred twenty thousand, four hundred fifty-five".