202021212322222 has 8 divisors (see below), whose sum is σ = 303139928309256. Its totient is φ = 100974569552472.

The previous prime is 202021212322199. The next prime is 202021212322247. The reversal of 202021212322222 is 222223212120202.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18018297313 + ... + 18018308524.

It is an arithmetic number, because the mean of its divisors is an integer number (37892491038657).

Almost surely, 2^{202021212322222} is an apocalyptic number.

202021212322222 is a deficient number, since it is larger than the sum of its proper divisors (101118715987034).

202021212322222 is a wasteful number, since it uses less digits than its factorization.

202021212322222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36036608642.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 202021212322222 its reverse (222223212120202), we get a palindrome (424244424442424).

The spelling of 202021212322222 in words is "two hundred two trillion, twenty-one billion, two hundred twelve million, three hundred twenty-two thousand, two hundred twenty-two".