111121122010 has 8 divisors (see below), whose sum is σ = 200018019636. Its totient is φ = 44448448800.

The previous prime is 111121122001. The next prime is 111121122067. The reversal of 111121122010 is 10221121111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 110704594729 + 416527281 = 332723^2 + 20409^2 .

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

It is a super-2 number, since 2×111121122010² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5556056091 + ... + 5556056110.

Almost surely, 2^111121122010 is an apocalyptic number.

111121122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111121122010 is a deficient number, since it is larger than the sum of its proper divisors (88896897626).

111121122010 is a wasteful number, since it uses less digits than its factorization.

111121122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112112208.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111121122010 its reverse (10221121111), we get a palindrome (121342243121).

The spelling of 111121122010 in words is "one hundred eleven billion, one hundred twenty-one million, one hundred twenty-two thousand, ten".