10111002221002 has 4 divisors (see below), whose sum is σ = 15166503331506. Its totient is φ = 5055501110500.

The previous prime is 10111002220997. The next prime is 10111002221053. The reversal of 10111002221002 is 20012220011101.

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., 10109099429361 + 1902791641 = 3179481^2 + 43621^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527750555249 + ... + 2527750555252.

Almost surely, 2^{10111002221002} is an apocalyptic number.

10111002221002 is a deficient number, since it is larger than the sum of its proper divisors (5055501110504).

10111002221002 is an equidigital number, since it uses as much as digits as its factorization.

10111002221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055501110503.

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

Adding to 10111002221002 its reverse (20012220011101), we get a palindrome (30123222232103).

The spelling of 10111002221002 in words is "ten trillion, one hundred eleven billion, two million, two hundred twenty-one thousand, two".