1022111202011 has 4 divisors (see below), whose sum is σ = 1022113356624. Its totient is φ = 1022109047400.

The previous prime is 1022111201987. The next prime is 1022111202031. The reversal of 1022111202011 is 1102021112201.

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

It is a cyclic number.

It is not a de Polignac number, because 1022111202011 - 2¹⁰ = 1022111200987 is a prime.

It is a super-3 number, since 3×1022111202011³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022111202031) 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, 19535 + ... + 1429896.

It is an arithmetic number, because the mean of its divisors is an integer number (255528339156).

Almost surely, 2^{1022111202011} is an apocalyptic number.

1022111202011 is a deficient number, since it is larger than the sum of its proper divisors (2154613).

1022111202011 is an equidigital number, since it uses as much as digits as its factorization.

1022111202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154612.

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

Adding to 1022111202011 its reverse (1102021112201), we get a palindrome (2124132314212).

The spelling of 1022111202011 in words is "one trillion, twenty-two billion, one hundred eleven million, two hundred two thousand, eleven".