71002106102 has 4 divisors (see below), whose sum is σ = 106503159156. Its totient is φ = 35501053050.

The previous prime is 71002106101. The next prime is 71002106113. The reversal of 71002106102 is 20160120017.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20160120017 = 331 ⋅60906707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71002106101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17750526524 + ... + 17750526527.

It is an arithmetic number, because the mean of its divisors is an integer number (26625789789).

Almost surely, 2^71002106102 is an apocalyptic number.

71002106102 is a deficient number, since it is larger than the sum of its proper divisors (35501053054).

71002106102 is a wasteful number, since it uses less digits than its factorization.

71002106102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35501053053.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 71002106102 its reverse (20160120017), we get a palindrome (91162226119).

The spelling of 71002106102 in words is "seventy-one billion, two million, one hundred six thousand, one hundred two".