1022111022111 has 32 divisors (see below), whose sum is σ = 1496038464000. Its totient is φ = 618639466368.

The previous prime is 1022111022089. The next prime is 1022111022133. The reversal of 1022111022111 is 1112201112201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1022111022089) and next prime (1022111022133).

It is not a de Polignac number, because 1022111022111 - 2⁶ = 1022111022047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022111022811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4210756 + ... + 4446873.

It is an arithmetic number, because the mean of its divisors is an integer number (46751202000).

Almost surely, 2^{1022111022111} is an apocalyptic number.

1022111022111 is a deficient number, since it is larger than the sum of its proper divisors (473927441889).

1022111022111 is a wasteful number, since it uses less digits than its factorization.

1022111022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8657743.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1022111022111 its reverse (1112201112201), we get a palindrome (2134312134312).

The spelling of 1022111022111 in words is "one trillion, twenty-two billion, one hundred eleven million, twenty-two thousand, one hundred eleven".