222222102211020 has 48 divisors (see below), whose sum is σ = 639038693932128. Its totient is φ = 57657626519040.

The previous prime is 222222102211007. The next prime is 222222102211157. The reversal of 222222102211020 is 20112201222222.

222222102211020 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222222102211020² (a number of 29 digits) contains 22 as substring.

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, 50050020801 + ... + 50050025240.

It is an arithmetic number, because the mean of its divisors is an integer number (13313306123586).

Almost surely, 2^{222222102211020} is an apocalyptic number.

222222102211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222222102211020 is an abundant number, since it is smaller than the sum of its proper divisors (416816591721108).

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

222222102211020 is a wasteful number, since it uses less digits than its factorization.

222222102211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100100046090 (or 100100046088 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222222102211020 its reverse (20112201222222), we get a palindrome (242334303433242).

The spelling of 222222102211020 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one hundred two million, two hundred eleven thousand, twenty".