202021022100222 has 32 divisors (see below), whose sum is σ = 483469112720160. Its totient is φ = 62160314492160.

The previous prime is 202021022100077. The next prime is 202021022100259. The reversal of 202021022100222 is 222001220120202.

202021022100222 is a `hidden beast` number, since 2 + 0 + 20 + 210 + 2 + 210 + 0 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202021022100195 and 202021022100204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143889616179 + ... + 143889617582.

It is an arithmetic number, because the mean of its divisors is an integer number (15108409772505).

Almost surely, 2^{202021022100222} is an apocalyptic number.

202021022100222 is an abundant number, since it is smaller than the sum of its proper divisors (281448090619938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202021022100222 is a wasteful number, since it uses less digits than its factorization.

202021022100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287779233785 (or 287779233779 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 202021022100222 its reverse (222001220120202), we get a palindrome (424022242220424).

The spelling of 202021022100222 in words is "two hundred two trillion, twenty-one billion, twenty-two million, one hundred thousand, two hundred twenty-two".