222222100202012 has 6 divisors (see below), whose sum is σ = 388888675353528. Its totient is φ = 111111050101004.

The previous prime is 222222100201987. The next prime is 222222100202191. The reversal of 222222100202012 is 210202001222222.

It is a super-3 number, since 3×222222100202012³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27777762525248 + ... + 27777762525255.

It is an arithmetic number, because the mean of its divisors is an integer number (64814779225588).

Almost surely, 2^{222222100202012} is an apocalyptic number.

It is an amenable number.

222222100202012 is a deficient number, since it is larger than the sum of its proper divisors (166666575151516).

222222100202012 is a wasteful number, since it uses less digits than its factorization.

222222100202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55555525050507 (or 55555525050505 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222222100202012 its reverse (210202001222222), we get a palindrome (432424101424234).

The spelling of 222222100202012 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one hundred million, two hundred two thousand, twelve".