1011222210 has 32 divisors (see below), whose sum is σ = 2492528832. Its totient is φ = 262370880.

The previous prime is 1011222167. The next prime is 1011222211. The reversal of 1011222210 is 122221101.

It is not an unprimeable number, because it can be changed into a prime (1011222211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454396 + ... + 456615.

It is an arithmetic number, because the mean of its divisors is an integer number (77891526).

Almost surely, 2^1011222210 is an apocalyptic number.

1011222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011222210 is an abundant number, since it is smaller than the sum of its proper divisors (1481306622).

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

1011222210 is a wasteful number, since it uses less digits than its factorization.

1011222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911058.

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

The square root of 1011222210 is about 31799.7202817886. The cubic root of 1011222210 is about 1003.7268301494.

Adding to 1011222210 its reverse (122221101), we get a palindrome (1133443311).

The spelling of 1011222210 in words is "one billion, eleven million, two hundred twenty-two thousand, two hundred ten".