222121031030 has 16 divisors (see below), whose sum is σ = 400209468624. Its totient is φ = 88761387360.

The previous prime is 222121030993. The next prime is 222121031063. The reversal of 222121031030 is 30130121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10867412 + ... + 10887831.

It is an arithmetic number, because the mean of its divisors is an integer number (25013091789).

Almost surely, 2^222121031030 is an apocalyptic number.

222121031030 is a deficient number, since it is larger than the sum of its proper divisors (178088437594).

222121031030 is a wasteful number, since it uses less digits than its factorization.

222121031030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21756271.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 222121031030 its reverse (30130121222), we get a palindrome (252251152252).

The spelling of 222121031030 in words is "two hundred twenty-two billion, one hundred twenty-one million, thirty-one thousand, thirty".