11122121020201 has 16 divisors (see below), whose sum is σ = 11914313930640. Its totient is φ = 10345628108800.

The previous prime is 11122121020111. The next prime is 11122121020217. The reversal of 11122121020201 is 10202012122111.

It can be written as a sum of positive squares in 8 ways, for example, as 710689464576 + 10411431555625 = 843024^2 + 3226675^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122121020201 - 2¹⁷ = 11122120889129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11122121020301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4858396 + ... + 6771133.

It is an arithmetic number, because the mean of its divisors is an integer number (744644620665).

Almost surely, 2^{11122121020201} is an apocalyptic number.

It is an amenable number.

11122121020201 is a deficient number, since it is larger than the sum of its proper divisors (792192910439).

11122121020201 is a wasteful number, since it uses less digits than its factorization.

11122121020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11630204.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11122121020201 its reverse (10202012122111), we get a palindrome (21324133142312).

The spelling of 11122121020201 in words is "eleven trillion, one hundred twenty-two billion, one hundred twenty-one million, twenty thousand, two hundred one".