1121011221002 has 8 divisors (see below), whose sum is σ = 1691832886176. Its totient is φ = 557066925612.

The previous prime is 1121011220951. The next prime is 1121011221037. The reversal of 1121011221002 is 2001221101211.

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

It is a super-3 number, since 3×1121011221002³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 1719342038 + ... + 1719342689.

It is an arithmetic number, because the mean of its divisors is an integer number (211479110772).

Almost surely, 2^{1121011221002} is an apocalyptic number.

1121011221002 is a deficient number, since it is larger than the sum of its proper divisors (570821665174).

1121011221002 is a wasteful number, since it uses less digits than its factorization.

1121011221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438684892.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1121011221002 its reverse (2001221101211), we get a palindrome (3122232322213).

The spelling of 1121011221002 in words is "one trillion, one hundred twenty-one billion, eleven million, two hundred twenty-one thousand, two".