11121021221002 has 32 divisors (see below), whose sum is σ = 21031436626560. Its totient is φ = 4284181524480.

The previous prime is 11121021220997. The next prime is 11121021221017. The reversal of 11121021221002 is 20012212012111.

It is a super-2 number, since 2×11121021221002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405685303 + ... + 405712714.

It is an arithmetic number, because the mean of its divisors is an integer number (657232394580).

Almost surely, 2^{11121021221002} is an apocalyptic number.

11121021221002 is a deficient number, since it is larger than the sum of its proper divisors (9910415405558).

11121021221002 is a wasteful number, since it uses less digits than its factorization.

11121021221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811398126.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11121021221002 its reverse (20012212012111), we get a palindrome (31133233233113).

The spelling of 11121021221002 in words is "eleven trillion, one hundred twenty-one billion, twenty-one million, two hundred twenty-one thousand, two".