21110022001201 has 16 divisors (see below), whose sum is σ = 24152880181248. Its totient is φ = 18073954458000.

The previous prime is 21110022001157. The next prime is 21110022001217. The reversal of 21110022001201 is 10210022001112.

It is not a de Polignac number, because 21110022001201 - 2¹³ = 21110021993009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21110022011201) 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, 47055316 + ... + 47501818.

It is an arithmetic number, because the mean of its divisors is an integer number (1509555011328).

Almost surely, 2^{21110022001201} is an apocalyptic number.

It is an amenable number.

21110022001201 is a deficient number, since it is larger than the sum of its proper divisors (3042858180047).

21110022001201 is a wasteful number, since it uses less digits than its factorization.

21110022001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454092.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21110022001201 its reverse (10210022001112), we get a palindrome (31320044002313).

The spelling of 21110022001201 in words is "twenty-one trillion, one hundred ten billion, twenty-two million, one thousand, two hundred one".