102101342402 has 4 divisors (see below), whose sum is σ = 153152013606. Its totient is φ = 51050671200.

The previous prime is 102101342383. The next prime is 102101342429. The reversal of 102101342402 is 204243101201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61711999561 + 40389342841 = 248419^2 + 200971^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25525335599 + ... + 25525335602.

Almost surely, 2^102101342402 is an apocalyptic number.

102101342402 is a deficient number, since it is larger than the sum of its proper divisors (51050671204).

102101342402 is an equidigital number, since it uses as much as digits as its factorization.

102101342402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51050671203.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102101342402 its reverse (204243101201), we get a palindrome (306344443603).

The spelling of 102101342402 in words is "one hundred two billion, one hundred one million, three hundred forty-two thousand, four hundred two".