1012221122210 has 32 divisors (see below), whose sum is σ = 1847353757040. Its totient is φ = 399256224768.

The previous prime is 1012221122203. The next prime is 1012221122243. The reversal of 1012221122210 is 122211222101.

1012221122210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 180639450289 + 831581671921 = 425017^2 + 911911^2 .

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, 3305564 + ... + 3598776.

Almost surely, 2^{1012221122210} is an apocalyptic number.

1012221122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012221122210 is a deficient number, since it is larger than the sum of its proper divisors (835132634830).

1012221122210 is a wasteful number, since it uses less digits than its factorization.

1012221122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298022.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1012221122210 its reverse (122211222101), we get a palindrome (1134432344311).

The spelling of 1012221122210 in words is "one trillion, twelve billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred ten".