11012121222201 has 64 divisors (see below), whose sum is σ = 18139216515840. Its totient is φ = 6545903569920.

The previous prime is 11012121222197. The next prime is 11012121222233. The reversal of 11012121222201 is 10222212121011.

11012121222201 is a `hidden beast` number, since 110 + 1 + 212 + 122 + 220 + 1 = 666.

11012121222201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11012121222201 - 2² = 11012121222197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11012121222301) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47690241 + ... + 47920593.

It is an arithmetic number, because the mean of its divisors is an integer number (283425258060).

Almost surely, 2^{11012121222201} is an apocalyptic number.

11012121222201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11012121222201 is a deficient number, since it is larger than the sum of its proper divisors (7127095293639).

11012121222201 is a wasteful number, since it uses less digits than its factorization.

11012121222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233463 (or 233457 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11012121222201 its reverse (10222212121011), we get a palindrome (21234333343212).

The spelling of 11012121222201 in words is "eleven trillion, twelve billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred one".