1002111001222 has 4 divisors (see below), whose sum is σ = 1503166501836. Its totient is φ = 501055500610.

The previous prime is 1002111001189. The next prime is 1002111001249. The reversal of 1002111001222 is 2221001112001.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 250527750304 + ... + 250527750307.

It is an arithmetic number, because the mean of its divisors is an integer number (375791625459).

Almost surely, 2^{1002111001222} is an apocalyptic number.

1002111001222 is a deficient number, since it is larger than the sum of its proper divisors (501055500614).

1002111001222 is an equidigital number, since it uses as much as digits as its factorization.

1002111001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501055500613.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1002111001222 its reverse (2221001112001), we get a palindrome (3223112113223).

The spelling of 1002111001222 in words is "one trillion, two billion, one hundred eleven million, one thousand, two hundred twenty-two".