111021222010 has 16 divisors (see below), whose sum is σ = 200184550056. Its totient is φ = 44331522048.

The previous prime is 111021222007. The next prime is 111021222041. The reversal of 111021222010 is 10222120111.

It can be written as a sum of positive squares in 4 ways, for example, as 111010911489 + 10310521 = 333183^2 + 3211^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9614787 + ... + 9626326.

Almost surely, 2^111021222010 is an apocalyptic number.

111021222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111021222010 is a deficient number, since it is larger than the sum of its proper divisors (89163328046).

111021222010 is a wasteful number, since it uses less digits than its factorization.

111021222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19241697.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111021222010 its reverse (10222120111), we get a palindrome (121243342121).

The spelling of 111021222010 in words is "one hundred eleven billion, twenty-one million, two hundred twenty-two thousand, ten".