10101010111210 has 16 divisors (see below), whose sum is σ = 18808777449000. Its totient is φ = 3901079766976.

The previous prime is 10101010111187. The next prime is 10101010111219. The reversal of 10101010111210 is 1211101010101.

It can be written as a sum of positive squares in 4 ways, for example, as 7222317628969 + 2878692482241 = 2687437^2 + 1696671^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10101010111219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17415534385 + ... + 17415534964.

Almost surely, 2^{10101010111210} is an apocalyptic number.

10101010111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10101010111210 is a deficient number, since it is larger than the sum of its proper divisors (8707767337790).

10101010111210 is a wasteful number, since it uses less digits than its factorization.

10101010111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34831069385.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 10101010111210 its reverse (1211101010101), we get a palindrome (11312111121311).

The spelling of 10101010111210 in words is "ten trillion, one hundred one billion, ten million, one hundred eleven thousand, two hundred ten".