22022120201201 has 4 divisors (see below), whose sum is σ = 22085220832500. Its totient is φ = 21959019569904.

The previous prime is 22022120201141. The next prime is 22022120201203. The reversal of 22022120201201 is 10210202122022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13108020250000 + 8914099951201 = 3620500^2 + 2985649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22022120201201 is a prime.

It is a super-2 number, since 2×22022120201201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22022120201201.

It is not an unprimeable number, because it can be changed into a prime (22022120201203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31550315126 + ... + 31550315823.

It is an arithmetic number, because the mean of its divisors is an integer number (5521305208125).

Almost surely, 2^{22022120201201} is an apocalyptic number.

It is an amenable number.

22022120201201 is a deficient number, since it is larger than the sum of its proper divisors (63100631299).

22022120201201 is an equidigital number, since it uses as much as digits as its factorization.

22022120201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63100631298.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22022120201201 its reverse (10210202122022), we get a palindrome (32232322323223).

The spelling of 22022120201201 in words is "twenty-two trillion, twenty-two billion, one hundred twenty million, two hundred one thousand, two hundred one".