21022022001201 has 24 divisors (see below), whose sum is σ = 30735515710080. Its totient is φ = 12772874102976.

The previous prime is 21022022001187. The next prime is 21022022001257. The reversal of 21022022001201 is 10210022022012.

It is not a de Polignac number, because 21022022001201 - 2¹⁸ = 21022021739057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21022022001301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262387506 + ... + 262467611.

It is an arithmetic number, because the mean of its divisors is an integer number (1280646487920).

Almost surely, 2^{21022022001201} is an apocalyptic number.

It is an amenable number.

21022022001201 is a deficient number, since it is larger than the sum of its proper divisors (9713493708879).

21022022001201 is a wasteful number, since it uses less digits than its factorization.

21022022001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524855225 (or 524855212 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 21022022001201 its reverse (10210022022012), we get a palindrome (31232044023213).

The spelling of 21022022001201 in words is "twenty-one trillion, twenty-two billion, twenty-two million, one thousand, two hundred one".