111220201201101 has 8 divisors (see below), whose sum is σ = 154741149497280. Its totient is φ = 70923026852832.

The previous prime is 111220201201073. The next prime is 111220201201157. The reversal of 111220201201101 is 101102102022111.

It is a happy number.

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

It is not a de Polignac number, because 111220201201101 - 2⁷ = 111220201200973 is a prime.

It is a super-2 number, since 2×111220201201101² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220201201601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805943486896 + ... + 805943487033.

It is an arithmetic number, because the mean of its divisors is an integer number (19342643687160).

Almost surely, 2^{111220201201101} is an apocalyptic number.

It is an amenable number.

111220201201101 is a deficient number, since it is larger than the sum of its proper divisors (43520948296179).

111220201201101 is a wasteful number, since it uses less digits than its factorization.

111220201201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611886973955.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111220201201101 its reverse (101102102022111), we get a palindrome (212322303223212).

The spelling of 111220201201101 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred one million, two hundred one thousand, one hundred one".