1020022212111 has 24 divisors (see below), whose sum is σ = 1582114065840. Its totient is φ = 582855541632.

The previous prime is 1020022212103. The next prime is 1020022212163. The reversal of 1020022212111 is 1112122200201.

It is not a de Polignac number, because 1020022212111 - 2³ = 1020022212103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020022212101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9909075 + ... + 10011483.

It is an arithmetic number, because the mean of its divisors is an integer number (65921419410).

Almost surely, 2^{1020022212111} is an apocalyptic number.

1020022212111 is a deficient number, since it is larger than the sum of its proper divisors (562091853729).

1020022212111 is a wasteful number, since it uses less digits than its factorization.

1020022212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170183 (or 170176 counting only the distinct ones).

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

Adding to 1020022212111 its reverse (1112122200201), we get a palindrome (2132144412312).

The spelling of 1020022212111 in words is "one trillion, twenty billion, twenty-two million, two hundred twelve thousand, one hundred eleven".