1010211222122 has 4 divisors (see below), whose sum is σ = 1515316833186. Its totient is φ = 505105611060.

The previous prime is 1010211222107. The next prime is 1010211222151. The reversal of 1010211222122 is 2212221120101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1009625049601 + 586172521 = 1004801^2 + 24211^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1010211222122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252552805529 + ... + 252552805532.

Almost surely, 2^{1010211222122} is an apocalyptic number.

1010211222122 is a deficient number, since it is larger than the sum of its proper divisors (505105611064).

1010211222122 is an equidigital number, since it uses as much as digits as its factorization.

1010211222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505105611063.

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

Adding to 1010211222122 its reverse (2212221120101), we get a palindrome (3222432342223).

The spelling of 1010211222122 in words is "one trillion, ten billion, two hundred eleven million, two hundred twenty-two thousand, one hundred twenty-two".