101010121210 has 16 divisors (see below), whose sum is σ = 183618400392. Its totient is φ = 40004008000.

The previous prime is 101010121193. The next prime is 101010121231. The reversal of 101010121210 is 12121010101.

101010121210 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 4 ways, for example, as 100831016521 + 179104689 = 317539^2 + 13383^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50004001 + ... + 50006020.

Almost surely, 2^101010121210 is an apocalyptic number.

101010121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101010121210 is a deficient number, since it is larger than the sum of its proper divisors (82608279182).

101010121210 is a wasteful number, since it uses less digits than its factorization.

101010121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100010129.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101010121210 its reverse (12121010101), we get a palindrome (113131131311).

The spelling of 101010121210 in words is "one hundred one billion, ten million, one hundred twenty-one thousand, two hundred ten".