1121122121002 has 32 divisors (see below), whose sum is σ = 1849253050512. Its totient is φ = 506627426304.

The previous prime is 1121122120933. The next prime is 1121122121011. The reversal of 1121122121002 is 2001212211211.

It can be written as a sum of positive squares in 8 ways, for example, as 692255616361 + 428866504641 = 832019^2 + 654879^2 .

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, 1895763 + ... + 2415814.

Almost surely, 2^{1121122121002} is an apocalyptic number.

1121122121002 is a deficient number, since it is larger than the sum of its proper divisors (728130929510).

1121122121002 is a wasteful number, since it uses less digits than its factorization.

1121122121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311802.

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

Adding to 1121122121002 its reverse (2001212211211), we get a palindrome (3122334332213).

The spelling of 1121122121002 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, one hundred twenty-one thousand, two".