221010111122002 has 32 divisors (see below), whose sum is σ = 347872935278592. Its totient is φ = 105107593996944.

The previous prime is 221010111121993. The next prime is 221010111122033. The reversal of 221010111122002 is 200221111010122.

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, 4161018 + ... + 21432085.

It is an arithmetic number, because the mean of its divisors is an integer number (10871029227456).

Almost surely, 2^{221010111122002} is an apocalyptic number.

221010111122002 is a deficient number, since it is larger than the sum of its proper divisors (126862824156590).

221010111122002 is a wasteful number, since it uses less digits than its factorization.

221010111122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25594182.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221010111122002 its reverse (200221111010122), we get a palindrome (421231222132124).

The spelling of 221010111122002 in words is "two hundred twenty-one trillion, ten billion, one hundred eleven million, one hundred twenty-two thousand, two".