20011022001201 has 32 divisors (see below), whose sum is σ = 33504392678400. Its totient is φ = 10320549497280.

The previous prime is 20011022001119. The next prime is 20011022001241. The reversal of 20011022001201 is 10210022011002.

It is not a de Polignac number, because 20011022001201 - 2¹¹ = 20011021999153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20011022001241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311578686 + ... + 311642903.

It is an arithmetic number, because the mean of its divisors is an integer number (1047012271200).

Almost surely, 2^{20011022001201} is an apocalyptic number.

20011022001201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20011022001201 is a deficient number, since it is larger than the sum of its proper divisors (13493370677199).

20011022001201 is a wasteful number, since it uses less digits than its factorization.

20011022001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623221749.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20011022001201 its reverse (10210022011002), we get a palindrome (30221044012203).

The spelling of 20011022001201 in words is "twenty trillion, eleven billion, twenty-two million, one thousand, two hundred one".