222202111211012 has 6 divisors (see below), whose sum is σ = 388853694619278. Its totient is φ = 111101055605504.

The previous prime is 222202111210999. The next prime is 222202111211029. The reversal of 222202111211012 is 210112111202222.

It can be written as a sum of positive squares in only one way, i.e., 215800330740736 + 6401780470276 = 14690144^2 + 2530174^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775263901373 + ... + 27775263901380.

It is an arithmetic number, because the mean of its divisors is an integer number (64808949103213).

Almost surely, 2^{222202111211012} is an apocalyptic number.

It is an amenable number.

222202111211012 is a deficient number, since it is larger than the sum of its proper divisors (166651583408266).

222202111211012 is a wasteful number, since it uses less digits than its factorization.

222202111211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55550527802757 (or 55550527802755 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222202111211012 its reverse (210112111202222), we get a palindrome (432314222413234).

The spelling of 222202111211012 in words is "two hundred twenty-two trillion, two hundred two billion, one hundred eleven million, two hundred eleven thousand, twelve".