111020202122212 has 48 divisors (see below), whose sum is σ = 223526143572480. Its totient is φ = 47898459302400.

The previous prime is 111020202122177. The next prime is 111020202122251. The reversal of 111020202122212 is 212221202020111.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 111020202122212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1385910739 + ... + 1385990842.

It is an arithmetic number, because the mean of its divisors is an integer number (4656794657760).

Almost surely, 2^{111020202122212} is an apocalyptic number.

It is an amenable number.

111020202122212 is an abundant number, since it is smaller than the sum of its proper divisors (112505941450268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111020202122212 is a wasteful number, since it uses less digits than its factorization.

111020202122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771901652 (or 2771901650 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111020202122212 its reverse (212221202020111), we get a palindrome (323241404142323).

The spelling of 111020202122212 in words is "one hundred eleven trillion, twenty billion, two hundred two million, one hundred twenty-two thousand, two hundred twelve".