222100210021210 has 32 divisors (see below), whose sum is σ = 421456870766592. Its totient is φ = 84145034951040.

The previous prime is 222100210021121. The next prime is 222100210021279. The reversal of 222100210021210 is 12120012001222.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7621818307 + ... + 7621847446.

It is an arithmetic number, because the mean of its divisors is an integer number (13170527211456).

Almost surely, 2^{222100210021210} is an apocalyptic number.

222100210021210 is a deficient number, since it is larger than the sum of its proper divisors (199356660745382).

222100210021210 is a wasteful number, since it uses less digits than its factorization.

222100210021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15243665838.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222100210021210 its reverse (12120012001222), we get a palindrome (234220222022432).

The spelling of 222100210021210 in words is "two hundred twenty-two trillion, one hundred billion, two hundred ten million, twenty-one thousand, two hundred ten".