1101121000002 has 48 divisors (see below), whose sum is σ = 2394366811200. Its totient is φ = 365718074976.

The previous prime is 1101120999989. The next prime is 1101121000051. The reversal of 1101121000002 is 2000001211011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8675148 + ... + 8801160.

It is an arithmetic number, because the mean of its divisors is an integer number (49882641900).

Almost surely, 2^{1101121000002} is an apocalyptic number.

1101121000002 is an abundant number, since it is smaller than the sum of its proper divisors (1293245811198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101121000002 is a wasteful number, since it uses less digits than its factorization.

1101121000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127767 (or 127764 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1101121000002 its reverse (2000001211011), we get a palindrome (3101122211013).

The spelling of 1101121000002 in words is "one trillion, one hundred one billion, one hundred twenty-one million, two", and thus it is an aban number.