1012222221122 has 64 divisors (see below), whose sum is σ = 1819099586304. Its totient is φ = 413427006720.

The previous prime is 1012222221121. The next prime is 1012222221181. The reversal of 1012222221122 is 2211222222101.

It is a junction number, because it is equal to n+sod(n) for n = 1012222221094 and 1012222221103.

It is not an unprimeable number, because it can be changed into a prime (1012222221121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5687348 + ... + 5862624.

It is an arithmetic number, because the mean of its divisors is an integer number (28423431036).

Almost surely, 2^{1012222221122} is an apocalyptic number.

1012222221122 is a deficient number, since it is larger than the sum of its proper divisors (806877365182).

1012222221122 is a wasteful number, since it uses less digits than its factorization.

1012222221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175563.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1012222221122 its reverse (2211222222101), we get a palindrome (3223444443223).

The spelling of 1012222221122 in words is "one trillion, twelve billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-two".