111022210020 has 48 divisors (see below), whose sum is σ = 311192699328. Its totient is φ = 29574445440.

The previous prime is 111022209997. The next prime is 111022210121. The reversal of 111022210020 is 20012220111.

It is a super-2 number, since 2×111022210020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 111022209978 and 111022210005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 926734 + ... + 1039653.

It is an arithmetic number, because the mean of its divisors is an integer number (6483181236).

Almost surely, 2^111022210020 is an apocalyptic number.

111022210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111022210020 is an abundant number, since it is smaller than the sum of its proper divisors (200170489308).

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

111022210020 is a wasteful number, since it uses less digits than its factorization.

111022210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967340 (or 1967338 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 111022210020 its reverse (20012220111), we get a palindrome (131034430131).

The spelling of 111022210020 in words is "one hundred eleven billion, twenty-two million, two hundred ten thousand, twenty".