102111342 has 16 divisors (see below), whose sum is σ = 209742672. Its totient is φ = 33117120.

The previous prime is 102111319. The next prime is 102111389. The reversal of 102111342 is 243111201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229759 + ... + 230202.

It is an arithmetic number, because the mean of its divisors is an integer number (13108917).

Almost surely, 2^102111342 is an apocalyptic number.

102111342 is an abundant number, since it is smaller than the sum of its proper divisors (107631330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102111342 is a wasteful number, since it uses less digits than its factorization.

102111342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460003.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 102111342 is about 10105.0156852921. The cubic root of 102111342 is about 467.4028196489.

Adding to 102111342 its reverse (243111201), we get a palindrome (345222543).

The spelling of 102111342 in words is "one hundred two million, one hundred eleven thousand, three hundred forty-two".