102111302 has 16 divisors (see below), whose sum is σ = 156142080. Its totient is φ = 50073408.

The previous prime is 102111293. The next prime is 102111319. The reversal of 102111302 is 203111201.

It is a super-2 number, since 2×102111302² = 20853435992270408, which contains 22 as substring.

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, 20348 + ... + 24864.

It is an arithmetic number, because the mean of its divisors is an integer number (9758880).

Almost surely, 2^102111302 is an apocalyptic number.

102111302 is a deficient number, since it is larger than the sum of its proper divisors (54030778).

102111302 is a wasteful number, since it uses less digits than its factorization.

102111302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4735.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 102111302 is about 10105.0137060768. The cubic root of 102111302 is about 467.4027586171.

Adding to 102111302 its reverse (203111201), we get a palindrome (305222503).

The spelling of 102111302 in words is "one hundred two million, one hundred eleven thousand, three hundred two".