101012222221002 has 24 divisors (see below), whose sum is σ = 218864088162720. Its totient is φ = 33670083301800.

The previous prime is 101012222220947. The next prime is 101012222221049. The reversal of 101012222221002 is 200122222210101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53838624 + ... + 55683227.

It is an arithmetic number, because the mean of its divisors is an integer number (9119337006780).

Almost surely, 2^{101012222221002} is an apocalyptic number.

101012222221002 is an abundant number, since it is smaller than the sum of its proper divisors (117851865941718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101012222221002 is a wasteful number, since it uses less digits than its factorization.

101012222221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109573098 (or 109573095 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101012222221002 its reverse (200122222210101), we get a palindrome (301134444431103).

The spelling of 101012222221002 in words is "one hundred one trillion, twelve billion, two hundred twenty-two million, two hundred twenty-one thousand, two".