1111020022011 has 4 divisors (see below), whose sum is σ = 1481360029352. Its totient is φ = 740680014672.

The previous prime is 1111020021973. The next prime is 1111020022087. The reversal of 1111020022011 is 1102200201111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1111020022011 - 2¹³ = 1111020013819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111020522011) 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, 185170003666 + ... + 185170003671.

It is an arithmetic number, because the mean of its divisors is an integer number (370340007338).

Almost surely, 2^{1111020022011} is an apocalyptic number.

1111020022011 is a deficient number, since it is larger than the sum of its proper divisors (370340007341).

1111020022011 is an equidigital number, since it uses as much as digits as its factorization.

1111020022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370340007340.

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

Adding to 1111020022011 its reverse (1102200201111), we get a palindrome (2213220223122).

The spelling of 1111020022011 in words is "one trillion, one hundred eleven billion, twenty million, twenty-two thousand, eleven".