1012120201111 has 8 divisors (see below), whose sum is σ = 1067302424880. Its totient is φ = 957129251328.

The previous prime is 1012120201091. The next prime is 1012120201121. The reversal of 1012120201111 is 1111020212101.

It is a happy number.

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 1012120201111 - 2³⁵ = 977760462743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012120201091 and 1012120201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012120201121) 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, 47807626 + ... + 47828791.

It is an arithmetic number, because the mean of its divisors is an integer number (133412803110).

Almost surely, 2^{1012120201111} is an apocalyptic number.

1012120201111 is a deficient number, since it is larger than the sum of its proper divisors (55182223769).

1012120201111 is an equidigital number, since it uses as much as digits as its factorization.

1012120201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95636993.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1012120201111 its reverse (1111020212101), we get a palindrome (2123140413212).

The spelling of 1012120201111 in words is "one trillion, twelve billion, one hundred twenty million, two hundred one thousand, one hundred eleven".