11001021221002 has 8 divisors (see below), whose sum is σ = 16885288385856. Its totient is φ = 5372591759052.

The previous prime is 11001021220993. The next prime is 11001021221011. The reversal of 11001021221002 is 20012212010011.

It is an interprime number because it is at equal distance from previous prime (11001021220993) and next prime (11001021221011).

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

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, 63959425618 + ... + 63959425789.

It is an arithmetic number, because the mean of its divisors is an integer number (2110661048232).

Almost surely, 2^{11001021221002} is an apocalyptic number.

11001021221002 is a deficient number, since it is larger than the sum of its proper divisors (5884267164854).

11001021221002 is a wasteful number, since it uses less digits than its factorization.

11001021221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127918851452.

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

Adding to 11001021221002 its reverse (20012212010011), we get a palindrome (31013233231013).

The spelling of 11001021221002 in words is "eleven trillion, one billion, twenty-one million, two hundred twenty-one thousand, two".