11122021211201 has 2 divisors, whose sum is σ = 11122021211202. Its totient is φ = 11122021211200.

The previous prime is 11122021211143. The next prime is 11122021211219. The reversal of 11122021211201 is 10211212022111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10500509721601 + 621511489600 = 3240449^2 + 788360^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122021211201 - 2⁶ = 11122021211137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11122021211201.

It is not a weakly prime, because it can be changed into another prime (11122021211221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561010605600 + 5561010605601.

It is an arithmetic number, because the mean of its divisors is an integer number (5561010605601).

Almost surely, 2^{11122021211201} is an apocalyptic number.

It is an amenable number.

11122021211201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122021211201 is an equidigital number, since it uses as much as digits as its factorization.

11122021211201 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 17.

Adding to 11122021211201 its reverse (10211212022111), we get a palindrome (21333233233312).

The spelling of 11122021211201 in words is "eleven trillion, one hundred twenty-two billion, twenty-one million, two hundred eleven thousand, two hundred one".