102111220102432 has 24 divisors (see below), whose sum is σ = 203021875123452. Its totient is φ = 50550108960000.

The previous prime is 102111220102403. The next prime is 102111220102433. The reversal of 102111220102432 is 234201022111201.

It can be written as a sum of positive squares in 2 ways, for example, as 102104477064976 + 6743037456 = 10104676^2 + 82116^2 .

It is not an unprimeable number, because it can be changed into a prime (102111220102433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15796905819 + ... + 15796912282.

Almost surely, 2^{102111220102432} is an apocalyptic number.

It is an amenable number.

102111220102432 is a deficient number, since it is larger than the sum of its proper divisors (100910655021020).

102111220102432 is a wasteful number, since it uses less digits than its factorization.

102111220102432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31593818212 (or 31593818204 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 102111220102432 its reverse (234201022111201), we get a palindrome (336312242213633).

The spelling of 102111220102432 in words is "one hundred two trillion, one hundred eleven billion, two hundred twenty million, one hundred two thousand, four hundred thirty-two".