102101210506 has 8 divisors (see below), whose sum is σ = 153277663140. Its totient is φ = 51008656128.

The previous prime is 102101210483. The next prime is 102101210521. The reversal of 102101210506 is 605012101201.

102101210506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 101500225281 + 600985225 = 318591^2 + 24515^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20971521 + ... + 20976388.

Almost surely, 2^102101210506 is an apocalyptic number.

102101210506 is a deficient number, since it is larger than the sum of its proper divisors (51176452634).

102101210506 is a wasteful number, since it uses less digits than its factorization.

102101210506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41949128.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 102101210506 its reverse (605012101201), we get a palindrome (707113311707).

The spelling of 102101210506 in words is "one hundred two billion, one hundred one million, two hundred ten thousand, five hundred six".