222121231030 has 32 divisors (see below), whose sum is σ = 407315236608. Its totient is φ = 87196668000.

The previous prime is 222121230979. The next prime is 222121231063. The reversal of 222121231030 is 30132121222.

It is a junction number, because it is equal to n+sod(n) for n = 222121230989 and 222121231007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 760816 + ... + 1011475.

It is an arithmetic number, because the mean of its divisors is an integer number (12728601144).

Almost surely, 2^222121231030 is an apocalyptic number.

222121231030 is a deficient number, since it is larger than the sum of its proper divisors (185194005578).

222121231030 is a wasteful number, since it uses less digits than its factorization.

222121231030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772532.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 222121231030 its reverse (30132121222), we get a palindrome (252253352252).

The spelling of 222121231030 in words is "two hundred twenty-two billion, one hundred twenty-one million, two hundred thirty-one thousand, thirty".