222121202120022 has 16 divisors (see below), whose sum is σ = 444981576300912. Its totient is φ = 73917205363200.

The previous prime is 222121202120017. The next prime is 222121202120033. The reversal of 222121202120022 is 220021202121222.

222121202120022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30798831963 + ... + 30798839174.

It is an arithmetic number, because the mean of its divisors is an integer number (27811348518807).

Almost surely, 2^{222121202120022} is an apocalyptic number.

222121202120022 is an abundant number, since it is smaller than the sum of its proper divisors (222860374180890).

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

222121202120022 is a wasteful number, since it uses less digits than its factorization.

222121202120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61597671743.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222121202120022 its reverse (220021202121222), we get a palindrome (442142404241244).

The spelling of 222121202120022 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, two hundred two million, one hundred twenty thousand, twenty-two".