100120012001011 has 4 divisors (see below), whose sum is σ = 100173295670800. Its totient is φ = 100066728331224.

The previous prime is 100120012000993. The next prime is 100120012001069. The reversal of 100120012001011 is 110100210021001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100120012001011 - 2¹⁵ = 100120011968243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100120015001011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26641832076 + ... + 26641835833.

It is an arithmetic number, because the mean of its divisors is an integer number (25043323917700).

Almost surely, 2^{100120012001011} is an apocalyptic number.

100120012001011 is a deficient number, since it is larger than the sum of its proper divisors (53283669789).

100120012001011 is an equidigital number, since it uses as much as digits as its factorization.

100120012001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53283669788.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100120012001011 its reverse (110100210021001), we get a palindrome (210220222022012).

The spelling of 100120012001011 in words is "one hundred trillion, one hundred twenty billion, twelve million, one thousand, eleven".