1121021220002 has 16 divisors (see below), whose sum is σ = 1841840139960. Its totient is φ = 509348383488.

The previous prime is 1121021219987. The next prime is 1121021220029. The reversal of 1121021220002 is 2000221201211.

It can be written as a sum of positive squares in 4 ways, for example, as 1112980690441 + 8040529561 = 1054979^2 + 89669^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568468193 + ... + 568470164.

Almost surely, 2^{1121021220002} is an apocalyptic number.

1121021220002 is a deficient number, since it is larger than the sum of its proper divisors (720818919958).

1121021220002 is a wasteful number, since it uses less digits than its factorization.

1121021220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136938405.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1121021220002 its reverse (2000221201211), we get a palindrome (3121242421213).

The spelling of 1121021220002 in words is "one trillion, one hundred twenty-one billion, twenty-one million, two hundred twenty thousand, two".