222121010201022 has 96 divisors (see below), whose sum is σ = 483046424340480. Its totient is φ = 73766428021440.

The previous prime is 222121010200931. The next prime is 222121010201029. The reversal of 222121010201022 is 220102010121222.

It is a happy number.

222121010201022 is a `hidden beast` number, since 2 + 221 + 210 + 10 + 201 + 0 + 22 = 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 = 222121010200986 and 222121010201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121010201029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15374881003 + ... + 15374895449.

It is an arithmetic number, because the mean of its divisors is an integer number (5031733586880).

Almost surely, 2^{222121010201022} is an apocalyptic number.

222121010201022 is an abundant number, since it is smaller than the sum of its proper divisors (260925414139458).

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

222121010201022 is a wasteful number, since it uses less digits than its factorization.

222121010201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17638 (or 17635 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222121010201022 its reverse (220102010121222), we get a palindrome (442223020322244).

The spelling of 222121010201022 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, ten million, two hundred one thousand, twenty-two".