111201121223010 has 384 divisors, whose sum is σ = 365499954892800. Its totient is φ = 22825666418688.

The previous prime is 111201121222979. The next prime is 111201121223021. The reversal of 111201121223010 is 10322121102111.

It is a happy number.

111201121223010 is a `hidden beast` number, since 1 + 11 + 201 + 1 + 212 + 230 + 10 = 666.

It is a super-2 number, since 2×111201121223010² (a number of 29 digits) contains 22 as substring.

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 191 ways as a sum of consecutive naturals, for example, 4722104716 + ... + 4722128264.

It is an arithmetic number, because the mean of its divisors is an integer number (951822799200).

Almost surely, 2^{111201121223010} is an apocalyptic number.

111201121223010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111201121223010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182749977446400).

111201121223010 is an abundant number, since it is smaller than the sum of its proper divisors (254298833669790).

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

111201121223010 is a wasteful number, since it uses less digits than its factorization.

111201121223010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39202 (or 39199 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 111201121223010 its reverse (10322121102111), we get a palindrome (121523242325121).

The spelling of 111201121223010 in words is "one hundred eleven trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty-three thousand, ten".