1201140220001 has 2 divisors, whose sum is σ = 1201140220002. Its totient is φ = 1201140220000.

The previous prime is 1201140219959. The next prime is 1201140220117. The reversal of 1201140220001 is 1000220411021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 656223125776 + 544917094225 = 810076^2 + 738185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201140220001 - 2¹⁴ = 1201140203617 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201140220601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600570110000 + 600570110001.

It is an arithmetic number, because the mean of its divisors is an integer number (600570110001).

Almost surely, 2^{1201140220001} is an apocalyptic number.

It is an amenable number.

1201140220001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201140220001 is an equidigital number, since it uses as much as digits as its factorization.

1201140220001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1201140220001 its reverse (1000220411021), we get a palindrome (2201360631022).

The spelling of 1201140220001 in words is "one trillion, two hundred one billion, one hundred forty million, two hundred twenty thousand, one".