1121102000001 has 6 divisors (see below), whose sum is σ = 1619369555570. Its totient is φ = 747401333328.

The previous prime is 1121101999987. The next prime is 1121102000047. The reversal of 1121102000001 is 1000002011211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 999998000001 + 121104000000 = 999999^2 + 348000^2 .

It is not a de Polignac number, because 1121102000001 - 2³³ = 1112512065409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 124566888889 = 1121102000001 / (1 + 1 + 2 + 1 + 1 + 0 + 2 + 0 + 0 + 0 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121102000071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62283444436 + ... + 62283444453.

Almost surely, 2^{1121102000001} is an apocalyptic number.

It is an amenable number.

1121102000001 is a deficient number, since it is larger than the sum of its proper divisors (498267555569).

1121102000001 is a wasteful number, since it uses less digits than its factorization.

1121102000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124566888895 (or 124566888892 counting only the distinct ones).

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

Adding to 1121102000001 its reverse (1000002011211), we get a palindrome (2121104011212).

The spelling of 1121102000001 in words is "one trillion, one hundred twenty-one billion, one hundred two million, one", and thus it is an aban number.