111200201021001 has 32 divisors (see below), whose sum is σ = 157058539799040. Its totient is φ = 69741559996416.

The previous prime is 111200201020999. The next prime is 111200201021009. The reversal of 111200201021001 is 100120102002111.

It is not a de Polignac number, because 111200201021001 - 2¹ = 111200201020999 is a prime.

It is a super-2 number, since 2×111200201021001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111200201021009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1671421305 + ... + 1671487833.

It is an arithmetic number, because the mean of its divisors is an integer number (4908079368720).

Almost surely, 2^{111200201021001} is an apocalyptic number.

It is an amenable number.

111200201021001 is a deficient number, since it is larger than the sum of its proper divisors (45858338778039).

111200201021001 is a wasteful number, since it uses less digits than its factorization.

111200201021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80673.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111200201021001 its reverse (100120102002111), we get a palindrome (211320303023112).

The spelling of 111200201021001 in words is "one hundred eleven trillion, two hundred billion, two hundred one million, twenty-one thousand, one".