1011210222 has 128 divisors (see below), whose sum is σ = 2383603200. Its totient is φ = 283046400.

The previous prime is 1011210197. The next prime is 1011210227. The reversal of 1011210222 is 2220121101.

It is a super-2 number, since 2×1011210222² = 2045092226154578568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011210198 and 1011210207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011210227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7719097 + ... + 7719227.

It is an arithmetic number, because the mean of its divisors is an integer number (18621900).

Almost surely, 2^1011210222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011210222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1191801600).

1011210222 is an abundant number, since it is smaller than the sum of its proper divisors (1372392978).

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

1011210222 is a wasteful number, since it uses less digits than its factorization.

1011210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1011210222 is about 31799.5317890060. The cubic root of 1011210222 is about 1003.7228637529.

Adding to 1011210222 its reverse (2220121101), we get a palindrome (3231331323).

The spelling of 1011210222 in words is "one billion, eleven million, two hundred ten thousand, two hundred twenty-two".