1022021112011 has 8 divisors (see below), whose sum is σ = 1049634039600. Its totient is φ = 994751202400.

The previous prime is 1022021111953. The next prime is 1022021112043. The reversal of 1022021112011 is 1102111202201.

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-1022021112011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022021112311) 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, 85748456 + ... + 85760373.

It is an arithmetic number, because the mean of its divisors is an integer number (131204254950).

Almost surely, 2^{1022021112011} is an apocalyptic number.

1022021112011 is a deficient number, since it is larger than the sum of its proper divisors (27612927589).

1022021112011 is a wasteful number, since it uses less digits than its factorization.

1022021112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171508989.

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

Adding to 1022021112011 its reverse (1102111202201), we get a palindrome (2124132314212).

The spelling of 1022021112011 in words is "one trillion, twenty-two billion, twenty-one million, one hundred twelve thousand, eleven".