102220200112123 has 8 divisors (see below), whose sum is σ = 107602748694800. Its totient is φ = 96837905334528.

The previous prime is 102220200112087. The next prime is 102220200112127. The reversal of 102220200112123 is 321211002022201.

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

It is not a de Polignac number, because 102220200112123 - 2²¹ = 102220198014971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102220200112123.

It is not an unprimeable number, because it can be changed into a prime (102220200112127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (37) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62624286 + ... + 64235827.

It is an arithmetic number, because the mean of its divisors is an integer number (13450343586850).

Almost surely, 2^{102220200112123} is an apocalyptic number.

102220200112123 is a deficient number, since it is larger than the sum of its proper divisors (5382548582677).

102220200112123 is a wasteful number, since it uses less digits than its factorization.

102220200112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126902541.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 102220200112123 its reverse (321211002022201), we get a palindrome (423431202134324).

The spelling of 102220200112123 in words is "one hundred two trillion, two hundred twenty billion, two hundred million, one hundred twelve thousand, one hundred twenty-three".