1121212100002 has 16 divisors (see below), whose sum is σ = 1847305978560. Its totient is φ = 508009143312.

The previous prime is 1121212099961. The next prime is 1121212100011. The reversal of 1121212100002 is 2000012121211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641424813 + ... + 641426560.

It is an arithmetic number, because the mean of its divisors is an integer number (115456623660).

Almost surely, 2^{1121212100002} is an apocalyptic number.

1121212100002 is a deficient number, since it is larger than the sum of its proper divisors (726093878558).

1121212100002 is a wasteful number, since it uses less digits than its factorization.

1121212100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282851417.

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

Adding to 1121212100002 its reverse (2000012121211), we get a palindrome (3121224221213).

The spelling of 1121212100002 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, one hundred thousand, two".