201421022222 has 8 divisors (see below), whose sum is σ = 345293180976. Its totient is φ = 86323295232.

The previous prime is 201421022221. The next prime is 201421022249. The reversal of 201421022222 is 222220124102.

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

It is a junction number, because it is equal to n+sod(n) for n = 201421022194 and 201421022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201421022221) 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, 7193607923 + ... + 7193607950.

It is an arithmetic number, because the mean of its divisors is an integer number (43161647622).

Almost surely, 2^201421022222 is an apocalyptic number.

201421022222 is a deficient number, since it is larger than the sum of its proper divisors (143872158754).

201421022222 is a wasteful number, since it uses less digits than its factorization.

201421022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14387215882.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 201421022222 its reverse (222220124102), we get a palindrome (423641146324).

The spelling of 201421022222 in words is "two hundred one billion, four hundred twenty-one million, twenty-two thousand, two hundred twenty-two".