1022012220111 has 32 divisors (see below), whose sum is σ = 1392711720960. Its totient is φ = 666485069184.

The previous prime is 1022012220109. The next prime is 1022012220143. The reversal of 1022012220111 is 1110222102201.

It is not a de Polignac number, because 1022012220111 - 2¹ = 1022012220109 is a prime.

It is a super-2 number, since 2×1022012220111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022012220211) 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, 17600121 + ... + 17658093.

It is an arithmetic number, because the mean of its divisors is an integer number (43522241280).

Almost surely, 2^{1022012220111} is an apocalyptic number.

1022012220111 is a deficient number, since it is larger than the sum of its proper divisors (370699500849).

1022012220111 is a wasteful number, since it uses less digits than its factorization.

1022012220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58655.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1022012220111 its reverse (1110222102201), we get a palindrome (2132234322312).

The spelling of 1022012220111 in words is "one trillion, twenty-two billion, twelve million, two hundred twenty thousand, one hundred eleven".