1121012000001 has 112 divisors (see below), whose sum is σ = 1889903327040. Its totient is φ = 660447406080.

The previous prime is 1121011999993. The next prime is 1121012000011. The reversal of 1121012000001 is 1000002101211.

It is a happy number.

It is not a de Polignac number, because 1121012000001 - 2³ = 1121011999993 is a prime.

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 (1121012000011) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 26586706 + ... + 26628836.

Almost surely, 2^{1121012000001} is an apocalyptic number.

It is an amenable number.

1121012000001 is a deficient number, since it is larger than the sum of its proper divisors (768891327039).

1121012000001 is a wasteful number, since it uses less digits than its factorization.

1121012000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42298 (or 42283 counting only the distinct ones).

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

Adding to 1121012000001 its reverse (1000002101211), we get a palindrome (2121014101212).

The spelling of 1121012000001 in words is "one trillion, one hundred twenty-one billion, twelve million, one", and thus it is an aban number.