1122222210210 has 24 divisors (see below), whose sum is σ = 2917777746780. Its totient is φ = 299259256032.

The previous prime is 1122222210191. The next prime is 1122222210301. The reversal of 1122222210210 is 120122222211.

It is a happy number.

1122222210210 is a `hidden beast` number, since 1 + 1 + 22 + 222 + 210 + 210 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1093264721649 + 28957488561 = 1045593^2 + 170169^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6234567745 + ... + 6234567924.

Almost surely, 2^{1122222210210} is an apocalyptic number.

1122222210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122222210210 is an abundant number, since it is smaller than the sum of its proper divisors (1795555536570).

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

1122222210210 is a wasteful number, since it uses less digits than its factorization.

1122222210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12469135682 (or 12469135679 counting only the distinct ones).

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

Adding to 1122222210210 its reverse (120122222211), we get a palindrome (1242344432421).

The spelling of 1122222210210 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred ten thousand, two hundred ten".