111202201001 has 2 divisors, whose sum is σ = 111202201002. Its totient is φ = 111202201000.

The previous prime is 111202200983. The next prime is 111202201007. The reversal of 111202201001 is 100102202111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97531914601 + 13670286400 = 312301^2 + 116920^2 .

It is a cyclic number.

It is not a de Polignac number, because 111202201001 - 2¹⁴ = 111202184617 is a prime.

It is not a weakly prime, because it can be changed into another prime (111202201007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55601100500 + 55601100501.

It is an arithmetic number, because the mean of its divisors is an integer number (55601100501).

Almost surely, 2^111202201001 is an apocalyptic number.

It is an amenable number.

111202201001 is a deficient number, since it is larger than the sum of its proper divisors (1).

111202201001 is an equidigital number, since it uses as much as digits as its factorization.

111202201001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111202201001 its reverse (100102202111), we get a palindrome (211304403112).

The spelling of 111202201001 in words is "one hundred eleven billion, two hundred two million, two hundred one thousand, one".