111121120010 has 8 divisors (see below), whose sum is σ = 200018016036. Its totient is φ = 44448448000.

The previous prime is 111121120001. The next prime is 111121120051. The reversal of 111121120010 is 10021121111.

It can be written as a sum of positive squares in 2 ways, for example, as 110556915001 + 564205009 = 332501^2 + 23753^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 111121119973 and 111121120000.

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, 5556055991 + ... + 5556056010.

Almost surely, 2^111121120010 is an apocalyptic number.

111121120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111121120010 is a deficient number, since it is larger than the sum of its proper divisors (88896896026).

111121120010 is a wasteful number, since it uses less digits than its factorization.

111121120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112112008.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111121120010 its reverse (10021121111), we get a palindrome (121142241121).

The spelling of 111121120010 in words is "one hundred eleven billion, one hundred twenty-one million, one hundred twenty thousand, ten".