71010020102 has 16 divisors (see below), whose sum is σ = 128892137760. Its totient is φ = 28642697088.

The previous prime is 71010020089. The next prime is 71010020143. The reversal of 71010020102 is 20102001017.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 149180477 + ... + 149180952.

It is an arithmetic number, because the mean of its divisors is an integer number (8055758610).

Almost surely, 2^71010020102 is an apocalyptic number.

71010020102 is a deficient number, since it is larger than the sum of its proper divisors (57882117658).

71010020102 is a wasteful number, since it uses less digits than its factorization.

71010020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298361455.

The product of its (nonzero) digits is 28, while the sum is 14.

Adding to 71010020102 its reverse (20102001017), we get a palindrome (91112021119).

The spelling of 71010020102 in words is "seventy-one billion, ten million, twenty thousand, one hundred two".