1111212220022 has 8 divisors (see below), whose sum is σ = 1666829138256. Its totient is φ = 555602507272.

The previous prime is 1111212220021. The next prime is 1111212220057. The reversal of 1111212220022 is 2200222121111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111212220021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397738 + ... + 2043549.

It is an arithmetic number, because the mean of its divisors is an integer number (208353642282).

Almost surely, 2^{1111212220022} is an apocalyptic number.

1111212220022 is a deficient number, since it is larger than the sum of its proper divisors (555616918234).

1111212220022 is a wasteful number, since it uses less digits than its factorization.

1111212220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602742.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1111212220022 its reverse (2200222121111), we get a palindrome (3311434341133).

The spelling of 1111212220022 in words is "one trillion, one hundred eleven billion, two hundred twelve million, two hundred twenty thousand, twenty-two".