22010001201 has 24 divisors (see below), whose sum is σ = 33836816520. Its totient is φ = 13738622976.

The previous prime is 22010001197. The next prime is 22010001217. The reversal of 22010001201 is 10210001022.

It can be written as a sum of positive squares in 4 ways, for example, as 3791480625 + 18218520576 = 61575^2 + 134976^2 .

It is not a de Polignac number, because 22010001201 - 2² = 22010001197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (22010001301) 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, 343156 + ... + 402213.

It is an arithmetic number, because the mean of its divisors is an integer number (1409867355).

Almost surely, 2^22010001201 is an apocalyptic number.

It is an amenable number.

22010001201 is a deficient number, since it is larger than the sum of its proper divisors (11826815319).

22010001201 is a wasteful number, since it uses less digits than its factorization.

22010001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745585 (or 745582 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22010001201 its reverse (10210001022), we get a palindrome (32220002223).

The spelling of 22010001201 in words is "twenty-two billion, ten million, one thousand, two hundred one".