22202120001121 has 6 divisors (see below), whose sum is σ = 22941420564066. Its totient is φ = 21485922580800.

The previous prime is 22202120001107. The next prime is 22202120001199. The reversal of 22202120001121 is 12110002120222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16521948678400 + 5680171322721 = 4064720^2 + 2383311^2 .

It is not a de Polignac number, because 22202120001121 - 2¹³ = 22202119992929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22202120001095 and 22202120001104.

It is not an unprimeable number, because it can be changed into a prime (22202120091121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11551570320 + ... + 11551572241.

It is an arithmetic number, because the mean of its divisors is an integer number (3823570094011).

Almost surely, 2^{22202120001121} is an apocalyptic number.

It is an amenable number.

22202120001121 is a deficient number, since it is larger than the sum of its proper divisors (739300562945).

22202120001121 is an equidigital number, since it uses as much as digits as its factorization.

22202120001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23103142623 (or 23103142592 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22202120001121 its reverse (12110002120222), we get a palindrome (34312122121343).

The spelling of 22202120001121 in words is "twenty-two trillion, two hundred two billion, one hundred twenty million, one thousand, one hundred twenty-one".