111002120012001 has 16 divisors (see below), whose sum is σ = 148782559359168. Its totient is φ = 73612444281600.

The previous prime is 111002120011987. The next prime is 111002120012029. The reversal of 111002120012001 is 100210021200111.

It is not a de Polignac number, because 111002120012001 - 2¹¹ = 111002120009953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111002120012071) 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, 111664540 + ... + 112654221.

It is an arithmetic number, because the mean of its divisors is an integer number (9298909959948).

Almost surely, 2^{111002120012001} is an apocalyptic number.

It is an amenable number.

111002120012001 is a deficient number, since it is larger than the sum of its proper divisors (37780439347167).

111002120012001 is a wasteful number, since it uses less digits than its factorization.

111002120012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224319632.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111002120012001 its reverse (100210021200111), we get a palindrome (211212141212112).

The spelling of 111002120012001 in words is "one hundred eleven trillion, two billion, one hundred twenty million, twelve thousand, one".