222202111201021 has 16 divisors (see below), whose sum is σ = 254667587441920. Its totient is φ = 189917637759360.

The previous prime is 222202111200973. The next prime is 222202111201051. The reversal of 222202111201021 is 120102111202222.

It is not a de Polignac number, because 222202111201021 - 2³¹ = 222199963717373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222202111201021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202111201051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11343681 + ... + 23939158.

It is an arithmetic number, because the mean of its divisors is an integer number (15916724215120).

Almost surely, 2^{222202111201021} is an apocalyptic number.

It is an amenable number.

222202111201021 is a deficient number, since it is larger than the sum of its proper divisors (32465476240899).

222202111201021 is a wasteful number, since it uses less digits than its factorization.

222202111201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35285404.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222202111201021 its reverse (120102111202222), we get a palindrome (342304222403243).

The spelling of 222202111201021 in words is "two hundred twenty-two trillion, two hundred two billion, one hundred eleven million, two hundred one thousand, twenty-one".