102110101010 has 32 divisors (see below), whose sum is σ = 194832028080. Its totient is φ = 38397560832.

The previous prime is 102110101003. The next prime is 102110101031. The reversal of 102110101010 is 10101011201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 89345394649 + 12764706361 = 298907^2 + 112981^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193355 + ... + 491534.

Almost surely, 2^102110101010 is an apocalyptic number.

102110101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102110101010 is a deficient number, since it is larger than the sum of its proper divisors (92721927070).

102110101010 is a wasteful number, since it uses less digits than its factorization.

102110101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685790.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 102110101010 its reverse (10101011201), we get a palindrome (112211112211).

The spelling of 102110101010 in words is "one hundred two billion, one hundred ten million, one hundred one thousand, ten".