1000120031011 has 8 divisors (see below), whose sum is σ = 1053090825920. Its totient is φ = 947182525992.

The previous prime is 1000120030999. The next prime is 1000120031023. The reversal of 1000120031011 is 1101300210001.

It is an interprime number because it is at equal distance from previous prime (1000120030999) and next prime (1000120031023).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000120031011 - 2⁷ = 1000120030883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000120031311) 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, 8260785 + ... + 8380978.

It is an arithmetic number, because the mean of its divisors is an integer number (131636353240).

Almost surely, 2^{1000120031011} is an apocalyptic number.

1000120031011 is a deficient number, since it is larger than the sum of its proper divisors (52970794909).

1000120031011 is a wasteful number, since it uses less digits than its factorization.

1000120031011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16644945.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 1000120031011 its reverse (1101300210001), we get a palindrome (2101420241012).

The spelling of 1000120031011 in words is "one trillion, one hundred twenty million, thirty-one thousand, eleven".