1121011000002 has 32 divisors (see below), whose sum is σ = 2491421924160. Its totient is φ = 373627378080.

The previous prime is 1121010999973. The next prime is 1121011000007. The reversal of 1121011000002 is 2000001101211.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1121011000007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 717363 + ... + 1660310.

It is an arithmetic number, because the mean of its divisors is an integer number (77856935130).

Almost surely, 2^{1121011000002} is an apocalyptic number.

1121011000002 is an abundant number, since it is smaller than the sum of its proper divisors (1370410924158).

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

1121011000002 is a wasteful number, since it uses less digits than its factorization.

1121011000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386415 (or 2386409 counting only the distinct ones).

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

Adding to 1121011000002 its reverse (2000001101211), we get a palindrome (3121012101213).

The spelling of 1121011000002 in words is "one trillion, one hundred twenty-one billion, eleven million, two", and thus it is an aban number.