222101221111101 has 32 divisors (see below), whose sum is σ = 331176921304320. Its totient is φ = 147106245736512.

The previous prime is 222101221111079. The next prime is 222101221111111. The reversal of 222101221111101 is 101111122101222.

It is a happy number.

222101221111101 is a `hidden beast` number, since 22 + 210 + 1 + 221 + 111 + 101 = 666.

It is not a de Polignac number, because 222101221111101 - 2¹⁸ = 222101220848957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101221111111) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3586590 + ... + 21379103.

It is an arithmetic number, because the mean of its divisors is an integer number (10349278790760).

Almost surely, 2^{222101221111101} is an apocalyptic number.

It is an amenable number.

222101221111101 is a deficient number, since it is larger than the sum of its proper divisors (109075700193219).

222101221111101 is a wasteful number, since it uses less digits than its factorization.

222101221111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24967842 (or 24967836 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 222101221111101 its reverse (101111122101222), we get a palindrome (323212343212323).

The spelling of 222101221111101 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred twenty-one million, one hundred eleven thousand, one hundred one".