1011222210222 has 48 divisors (see below), whose sum is σ = 2571653920992. Its totient is φ = 281111964480.

The previous prime is 1011222210217. The next prime is 1011222210301. The reversal of 1011222210222 is 2220122221101.

It is a happy number.

1011222210222 is a `hidden beast` number, since 1 + 0 + 11 + 222 + 210 + 222 = 666.

It is a super-2 number, since 2×1011222210222² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1011222210195 and 1011222210204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108449029 + ... + 108458352.

It is an arithmetic number, because the mean of its divisors is an integer number (53576123354).

Almost surely, 2^{1011222210222} is an apocalyptic number.

1011222210222 is an abundant number, since it is smaller than the sum of its proper divisors (1560431710770).

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

1011222210222 is a wasteful number, since it uses less digits than its factorization.

1011222210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216907433 (or 216907430 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1011222210222 its reverse (2220122221101), we get a palindrome (3231344431323).

The spelling of 1011222210222 in words is "one trillion, eleven billion, two hundred twenty-two million, two hundred ten thousand, two hundred twenty-two".