1120212111001 has 2 divisors, whose sum is σ = 1120212111002. Its totient is φ = 1120212111000.

The previous prime is 1120212110989. The next prime is 1120212111013. The reversal of 1120212111001 is 1001112120211.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1120212110989) and next prime (1120212111013).

It can be written as a sum of positive squares in only one way, i.e., 1058945960601 + 61266150400 = 1029051^2 + 247520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120212111001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1120212111301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560106055500 + 560106055501.

It is an arithmetic number, because the mean of its divisors is an integer number (560106055501).

Almost surely, 2^{1120212111001} is an apocalyptic number.

It is an amenable number.

1120212111001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120212111001 is an equidigital number, since it uses as much as digits as its factorization.

1120212111001 is an evil number, because the sum of its binary digits is even.

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

Adding to 1120212111001 its reverse (1001112120211), we get a palindrome (2121324231212).

The spelling of 1120212111001 in words is "one trillion, one hundred twenty billion, two hundred twelve million, one hundred eleven thousand, one".