103112402402 has 4 divisors (see below), whose sum is σ = 154668603606. Its totient is φ = 51556201200.

The previous prime is 103112402359. The next prime is 103112402447. The reversal of 103112402402 is 204204211301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204204211301 = 661 ⋅308932241.

It can be written as a sum of positive squares in only one way, i.e., 89910622201 + 13201780201 = 299851^2 + 114899^2 .

It is a super-2 number, since 2×103112402402² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25778100599 + ... + 25778100602.

Almost surely, 2^103112402402 is an apocalyptic number.

103112402402 is a deficient number, since it is larger than the sum of its proper divisors (51556201204).

103112402402 is an equidigital number, since it uses as much as digits as its factorization.

103112402402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51556201203.

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

Adding to 103112402402 its reverse (204204211301), we get a palindrome (307316613703).

The spelling of 103112402402 in words is "one hundred three billion, one hundred twelve million, four hundred two thousand, four hundred two".