1020220111112 has 32 divisors (see below), whose sum is σ = 1919906241120. Its totient is φ = 508245467520.

The previous prime is 1020220111111. The next prime is 1020220111117. The reversal of 1020220111112 is 2111110220201.

It is not an unprimeable number, because it can be changed into a prime (1020220111111) 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, 37183943 + ... + 37211369.

It is an arithmetic number, because the mean of its divisors is an integer number (59997070035).

Almost surely, 2^{1020220111112} is an apocalyptic number.

It is an amenable number.

1020220111112 is a deficient number, since it is larger than the sum of its proper divisors (899686130008).

1020220111112 is a wasteful number, since it uses less digits than its factorization.

1020220111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44261 (or 44257 counting only the distinct ones).

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

Adding to 1020220111112 its reverse (2111110220201), we get a palindrome (3131330331313).

The spelling of 1020220111112 in words is "one trillion, twenty billion, two hundred twenty million, one hundred eleven thousand, one hundred twelve".