1111201020122 has 8 divisors (see below), whose sum is σ = 1669323168372. Its totient is φ = 554759964000.

The previous prime is 1111201020121. The next prime is 1111201020143. The reversal of 1111201020122 is 2210201021111.

It can be written as a sum of positive squares in 2 ways, for example, as 919103772601 + 192097247521 = 958699^2 + 438289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1111201020097 and 1111201020106.

It is not an unprimeable number, because it can be changed into a prime (1111201020121) 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, 420271379 + ... + 420274022.

Almost surely, 2^{1111201020122} is an apocalyptic number.

1111201020122 is a deficient number, since it is larger than the sum of its proper divisors (558122148250).

1111201020122 is an equidigital number, since it uses as much as digits as its factorization.

1111201020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840546064.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1111201020122 its reverse (2210201021111), we get a palindrome (3321402041233).

The spelling of 1111201020122 in words is "one trillion, one hundred eleven billion, two hundred one million, twenty thousand, one hundred twenty-two".