1011211120003 has 16 divisors (see below), whose sum is σ = 1223833786560. Its totient is φ = 815644717056.

The previous prime is 1011211119959. The next prime is 1011211120061. The reversal of 1011211120003 is 3000211121101.

It is a happy number.

1011211120003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1011211120003 - 2⁹ = 1011211119491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011211150003) 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, 165075 + ... + 1431667.

It is an arithmetic number, because the mean of its divisors is an integer number (76489611660).

Almost surely, 2^{1011211120003} is an apocalyptic number.

1011211120003 is a deficient number, since it is larger than the sum of its proper divisors (212622666557).

1011211120003 is a wasteful number, since it uses less digits than its factorization.

1011211120003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273326.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1011211120003 its reverse (3000211121101), we get a palindrome (4011422241104).

The spelling of 1011211120003 in words is "one trillion, eleven billion, two hundred eleven million, one hundred twenty thousand, three".