102111302134 has 16 divisors (see below), whose sum is σ = 155340459936. Its totient is φ = 50331299200.

The previous prime is 102111302131. The next prime is 102111302147. The reversal of 102111302134 is 431203111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111302131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1567134 + ... + 1630990.

It is an arithmetic number, because the mean of its divisors is an integer number (9708778746).

Almost surely, 2^102111302134 is an apocalyptic number.

102111302134 is a deficient number, since it is larger than the sum of its proper divisors (53229157802).

102111302134 is a wasteful number, since it uses less digits than its factorization.

102111302134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75191.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102111302134 its reverse (431203111201), we get a palindrome (533314413335).

The spelling of 102111302134 in words is "one hundred two billion, one hundred eleven million, three hundred two thousand, one hundred thirty-four".