1010002001222 has 4 divisors (see below), whose sum is σ = 1515003001836. Its totient is φ = 505001000610.

The previous prime is 1010002001213. The next prime is 1010002001251. The reversal of 1010002001222 is 2221002000101.

It is a happy number.

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

It is a congruent number.

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, 252500500304 + ... + 252500500307.

It is an arithmetic number, because the mean of its divisors is an integer number (378750750459).

Almost surely, 2^{1010002001222} is an apocalyptic number.

1010002001222 is a deficient number, since it is larger than the sum of its proper divisors (505001000614).

1010002001222 is an equidigital number, since it uses as much as digits as its factorization.

1010002001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505001000613.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1010002001222 its reverse (2221002000101), we get a palindrome (3231004001323).

The spelling of 1010002001222 in words is "one trillion, ten billion, two million, one thousand, two hundred twenty-two".