111202201121001 has 4 divisors (see below), whose sum is σ = 148269601494672. Its totient is φ = 74134800747332.

The previous prime is 111202201120949. The next prime is 111202201121023. The reversal of 111202201121001 is 100121102202111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111202201121001 - 2²¹ = 111202199023849 is a prime.

It is a super-2 number, since 2×111202201121001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111202201121201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18533700186831 + ... + 18533700186836.

It is an arithmetic number, because the mean of its divisors is an integer number (37067400373668).

Almost surely, 2^{111202201121001} is an apocalyptic number.

It is an amenable number.

111202201121001 is a deficient number, since it is larger than the sum of its proper divisors (37067400373671).

111202201121001 is an equidigital number, since it uses as much as digits as its factorization.

111202201121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37067400373670.

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

Adding to 111202201121001 its reverse (100121102202111), we get a palindrome (211323303323112).

The spelling of 111202201121001 in words is "one hundred eleven trillion, two hundred two billion, two hundred one million, one hundred twenty-one thousand, one".