11122121000201 has 4 divisors (see below), whose sum is σ = 11122820212752. Its totient is φ = 11121421787652.

The previous prime is 11122121000173. The next prime is 11122121000251. The reversal of 11122121000201 is 10200012122111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11122121000201 - 2¹⁴ = 11122120983817 is a prime.

It is a super-2 number, since 2×11122121000201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11122121000251) 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, 349582415 + ... + 349614228.

It is an arithmetic number, because the mean of its divisors is an integer number (2780705053188).

Almost surely, 2^{11122121000201} is an apocalyptic number.

It is an amenable number.

11122121000201 is a deficient number, since it is larger than the sum of its proper divisors (699212551).

11122121000201 is an equidigital number, since it uses as much as digits as its factorization.

11122121000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699212550.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11122121000201 its reverse (10200012122111), we get a palindrome (21322133122312).

The spelling of 11122121000201 in words is "eleven trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred one", and thus it is an aban number.