111202122022001 has 4 divisors (see below), whose sum is σ = 111202876895604. Its totient is φ = 111201367148400.

The previous prime is 111202122021961. The next prime is 111202122022003. The reversal of 111202122022001 is 100220221202111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35699908003600 + 75502214018401 = 5974940^2 + 8689201^2 .

It is a cyclic number.

It is not a de Polignac number, because 111202122022001 - 2³⁸ = 110927244115057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111202122022003) 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, 377215790 + ... + 377510471.

It is an arithmetic number, because the mean of its divisors is an integer number (27800719223901).

Almost surely, 2^{111202122022001} is an apocalyptic number.

It is an amenable number.

111202122022001 is a deficient number, since it is larger than the sum of its proper divisors (754873603).

111202122022001 is an equidigital number, since it uses as much as digits as its factorization.

111202122022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754873602.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111202122022001 its reverse (100220221202111), we get a palindrome (211422343224112).

The spelling of 111202122022001 in words is "one hundred eleven trillion, two hundred two billion, one hundred twenty-two million, twenty-two thousand, one".