1120021012111 has 4 divisors (see below), whose sum is σ = 1121768315424. Its totient is φ = 1118273708800.

The previous prime is 1120021012109. The next prime is 1120021012171. The reversal of 1120021012111 is 1112101200211.

It is a happy number.

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 1120021012111 - 2¹ = 1120021012109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120021012091 and 1120021012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120021012171) 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, 873650695 + ... + 873651976.

It is an arithmetic number, because the mean of its divisors is an integer number (280442078856).

Almost surely, 2^{1120021012111} is an apocalyptic number.

1120021012111 is a deficient number, since it is larger than the sum of its proper divisors (1747303313).

1120021012111 is an equidigital number, since it uses as much as digits as its factorization.

1120021012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747303312.

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

Adding to 1120021012111 its reverse (1112101200211), we get a palindrome (2232122212322).

The spelling of 1120021012111 in words is "one trillion, one hundred twenty billion, twenty-one million, twelve thousand, one hundred eleven".