1102001111012 has 24 divisors (see below), whose sum is σ = 1948541030520. Its totient is φ = 545276021760.

The previous prime is 1102001110901. The next prime is 1102001111017. The reversal of 1102001111012 is 2101111002011.

It can be written as a sum of positive squares in 4 ways, for example, as 201730332736 + 900270778276 = 449144^2 + 948826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1102001110984 and 1102001111002.

It is not an unprimeable number, because it can be changed into a prime (1102001111017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4977962 + ... + 5194622.

It is an arithmetic number, because the mean of its divisors is an integer number (81189209605).

Almost surely, 2^{1102001111012} is an apocalyptic number.

It is an amenable number.

1102001111012 is a deficient number, since it is larger than the sum of its proper divisors (846539919508).

1102001111012 is a wasteful number, since it uses less digits than its factorization.

1102001111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229871 (or 229869 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1102001111012 its reverse (2101111002011), we get a palindrome (3203112113023).

The spelling of 1102001111012 in words is "one trillion, one hundred two billion, one million, one hundred eleven thousand, twelve".