1020222111011 has 8 divisors (see below), whose sum is σ = 1029063861504. Its totient is φ = 1011416822080.

The previous prime is 1020222110993. The next prime is 1020222111019. The reversal of 1020222111011 is 1101112220201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020222111011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020222111019) 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, 9059186 + ... + 9171111.

It is an arithmetic number, because the mean of its divisors is an integer number (128632982688).

Almost surely, 2^{1020222111011} is an apocalyptic number.

1020222111011 is a deficient number, since it is larger than the sum of its proper divisors (8841750493).

1020222111011 is a wasteful number, since it uses less digits than its factorization.

1020222111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18230781.

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

Adding to 1020222111011 its reverse (1101112220201), we get a palindrome (2121334331212).

The spelling of 1020222111011 in words is "one trillion, twenty billion, two hundred twenty-two million, one hundred eleven thousand, eleven".