111211000102220 has 12 divisors (see below), whose sum is σ = 233543100214704. Its totient is φ = 44484400040880.

The previous prime is 111211000102219. The next prime is 111211000102229. The reversal of 111211000102220 is 22201000112111.

It is a junction number, because it is equal to n+sod(n) for n = 111211000102195 and 111211000102204.

It is not an unprimeable number, because it can be changed into a prime (111211000102229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780275002536 + ... + 2780275002575.

It is an arithmetic number, because the mean of its divisors is an integer number (19461925017892).

Almost surely, 2^{111211000102220} is an apocalyptic number.

111211000102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111211000102220 is an abundant number, since it is smaller than the sum of its proper divisors (122332100112484).

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

111211000102220 is a wasteful number, since it uses less digits than its factorization.

111211000102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560550005120 (or 5560550005118 counting only the distinct ones).

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

Adding to 111211000102220 its reverse (22201000112111), we get a palindrome (133412000214331).

The spelling of 111211000102220 in words is "one hundred eleven trillion, two hundred eleven billion, one hundred two thousand, two hundred twenty".