102111002 has 12 divisors (see below), whose sum is σ = 178173450. Its totient is φ = 43761816.

The previous prime is 102110971. The next prime is 102111029. The reversal of 102111002 is 200111201.

It can be written as a sum of positive squares in only one way, i.e., 58537801 + 43573201 = 7651^2 + 6601^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 520877 + ... + 521072.

Almost surely, 2^102111002 is an apocalyptic number.

102111002 is a deficient number, since it is larger than the sum of its proper divisors (76062448).

102111002 is a wasteful number, since it uses less digits than its factorization.

102111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041965 (or 1041958 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 102111002 is about 10104.9988619495. The cubic root of 102111002 is about 467.4023008782.

Adding to 102111002 its reverse (200111201), we get a palindrome (302222203).

The spelling of 102111002 in words is "one hundred two million, one hundred eleven thousand, two".