111020000022020 has 12 divisors (see below), whose sum is σ = 233142000046284. Its totient is φ = 44408000008800.

The previous prime is 111020000021981. The next prime is 111020000022037. The reversal of 111020000022020 is 20220000020111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55476487648516 + 55543512373504 = 7448254^2 + 7452752^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111020000021992 and 111020000022010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2775500000531 + ... + 2775500000570.

It is an arithmetic number, because the mean of its divisors is an integer number (19428500003857).

Almost surely, 2^{111020000022020} is an apocalyptic number.

111020000022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020000022020 is an abundant number, since it is smaller than the sum of its proper divisors (122122000024264).

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

111020000022020 is a wasteful number, since it uses less digits than its factorization.

111020000022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5551000001110 (or 5551000001108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 111020000022020 its reverse (20220000020111), we get a palindrome (131240000042131).

The spelling of 111020000022020 in words is "one hundred eleven trillion, twenty billion, twenty-two thousand, twenty".