222210111011020 has 288 divisors, whose sum is σ = 549363740970240. Its totient is φ = 74661048000000.

The previous prime is 222210111010961. The next prime is 222210111011023. The reversal of 222210111011020 is 20110111012222.

222210111011020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222210111011020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222210111010985 and 222210111011003.

It is not an unprimeable number, because it can be changed into a prime (222210111011023) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1895107395 + ... + 1895224645.

It is an arithmetic number, because the mean of its divisors is an integer number (1907512989480).

Almost surely, 2^{222210111011020} is an apocalyptic number.

222210111011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222210111011020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274681870485120).

222210111011020 is an abundant number, since it is smaller than the sum of its proper divisors (327153629959220).

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

222210111011020 is a wasteful number, since it uses less digits than its factorization.

222210111011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117525 (or 117456 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222210111011020 its reverse (20110111012222), we get a palindrome (242320222023242).

The spelling of 222210111011020 in words is "two hundred twenty-two trillion, two hundred ten billion, one hundred eleven million, eleven thousand, twenty".