2222421031112 has 8 divisors (see below), whose sum is σ = 4167039433350. Its totient is φ = 1111210515552.

The previous prime is 2222421031097. The next prime is 2222421031141. The reversal of 2222421031112 is 2111301242222.

It can be written as a sum of positive squares in only one way, i.e., 1890421505476 + 331999525636 = 1374926^2 + 576194^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138901314437 + ... + 138901314452.

Almost surely, 2^{2222421031112} is an apocalyptic number.

It is an amenable number.

2222421031112 is a deficient number, since it is larger than the sum of its proper divisors (1944618402238).

2222421031112 is a wasteful number, since it uses less digits than its factorization.

2222421031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277802628895 (or 277802628891 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 2222421031112 its reverse (2111301242222), we get a palindrome (4333722273334).

The spelling of 2222421031112 in words is "two trillion, two hundred twenty-two billion, four hundred twenty-one million, thirty-one thousand, one hundred twelve".