102101011010 has 32 divisors (see below), whose sum is σ = 188906586480. Its totient is φ = 39715207168.

The previous prime is 102101010959. The next prime is 102101011021. The reversal of 102101011010 is 10110101201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5355751489 + 96745259521 = 73183^2 + 311039^2 .

It is a Curzon number.

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, 792515 + ... + 912294.

Almost surely, 2^102101011010 is an apocalyptic number.

102101011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102101011010 is a deficient number, since it is larger than the sum of its proper divisors (86805575470).

102101011010 is a wasteful number, since it uses less digits than its factorization.

102101011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704982.

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

Adding to 102101011010 its reverse (10110101201), we get a palindrome (112211112211).

The spelling of 102101011010 in words is "one hundred two billion, one hundred one million, eleven thousand, ten".