201220022221331 has 8 divisors (see below), whose sum is σ = 205531987170240. Its totient is φ = 196938105809128.

The previous prime is 201220022221321. The next prime is 201220022221357. The reversal of 201220022221331 is 133122220022102.

It is a happy number.

201220022221331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201220022221331 - 2²² = 201220018027027 is a prime.

It is a super-2 number, since 2×201220022221331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201220022221297 and 201220022221306.

It is not an unprimeable number, because it can be changed into a prime (201220022221321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7512120641 + ... + 7512147426.

It is an arithmetic number, because the mean of its divisors is an integer number (25691498396280).

Almost surely, 2^{201220022221331} is an apocalyptic number.

201220022221331 is a deficient number, since it is larger than the sum of its proper divisors (4311964948909).

201220022221331 is a wasteful number, since it uses less digits than its factorization.

201220022221331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15024268353.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 201220022221331 its reverse (133122220022102), we get a palindrome (334342242243433).

The spelling of 201220022221331 in words is "two hundred one trillion, two hundred twenty billion, twenty-two million, two hundred twenty-one thousand, three hundred thirty-one".