1012210221122 has 8 divisors (see below), whose sum is σ = 1519485971916. Its totient is φ = 505714897152.

The previous prime is 1012210221119. The next prime is 1012210221151. The reversal of 1012210221122 is 2211220122101.

It can be written as a sum of positive squares in 2 ways, for example, as 967903760041 + 44306461081 = 983821^2 + 210491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1012210221122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195103463 + ... + 195108650.

Almost surely, 2^{1012210221122} is an apocalyptic number.

1012210221122 is a deficient number, since it is larger than the sum of its proper divisors (507275750794).

1012210221122 is a wasteful number, since it uses less digits than its factorization.

1012210221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390213412.

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

Adding to 1012210221122 its reverse (2211220122101), we get a palindrome (3223430343223).

The spelling of 1012210221122 in words is "one trillion, twelve billion, two hundred ten million, two hundred twenty-one thousand, one hundred twenty-two".