10101001221010 has 32 divisors (see below), whose sum is σ = 20780230602240. Its totient is φ = 3463029070272.

The previous prime is 10101001220927. The next prime is 10101001221071. The reversal of 10101001221010 is 1012210010101.

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

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, 2140794 + ... + 4978453.

It is an arithmetic number, because the mean of its divisors is an integer number (649382206320).

Almost surely, 2^{10101001221010} is an apocalyptic number.

10101001221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10101001221010 is an abundant number, since it is smaller than the sum of its proper divisors (10679229381230).

10101001221010 is a wasteful number, since it uses less digits than its factorization.

10101001221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7139530.

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

Adding to 10101001221010 its reverse (1012210010101), we get a palindrome (11113211231111).

The spelling of 10101001221010 in words is "ten trillion, one hundred one billion, one million, two hundred twenty-one thousand, ten".