1012221220102 has 16 divisors (see below), whose sum is σ = 1598766346800. Its totient is φ = 479316515040.

The previous prime is 1012221220097. The next prime is 1012221220151. The reversal of 1012221220102 is 2010221222101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4234777 + ... + 4467412.

It is an arithmetic number, because the mean of its divisors is an integer number (99922896675).

Almost surely, 2^{1012221220102} is an apocalyptic number.

1012221220102 is a deficient number, since it is larger than the sum of its proper divisors (586545126698).

1012221220102 is a wasteful number, since it uses less digits than its factorization.

1012221220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8705271.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1012221220102 its reverse (2010221222101), we get a palindrome (3022442442203).

The spelling of 1012221220102 in words is "one trillion, twelve billion, two hundred twenty-one million, two hundred twenty thousand, one hundred two".