102101020192 has 24 divisors (see below), whose sum is σ = 201019625100. Its totient is φ = 51048417024.

The previous prime is 102101020169. The next prime is 102101020199. The reversal of 102101020192 is 291020101201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96818056336 + 5282963856 = 311156^2 + 72684^2 .

It is not an unprimeable number, because it can be changed into a prime (102101020199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988534 + ... + 1086922.

Almost surely, 2^102101020192 is an apocalyptic number.

It is an amenable number.

102101020192 is a deficient number, since it is larger than the sum of its proper divisors (98918604908).

102101020192 is an equidigital number, since it uses as much as digits as its factorization.

102101020192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130828 (or 130820 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 102101020192 its reverse (291020101201), we get a palindrome (393121121393).

The spelling of 102101020192 in words is "one hundred two billion, one hundred one million, twenty thousand, one hundred ninety-two".