221212341111034 has 32 divisors (see below), whose sum is σ = 408439510214400. Its totient is φ = 87502396822272.

The previous prime is 221212341110923. The next prime is 221212341111037. The reversal of 221212341111034 is 430111143212122.

It is a junction number, because it is equal to n+sod(n) for n = 221212341110993 and 221212341111011.

It is not an unprimeable number, because it can be changed into a prime (221212341111037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69109039 + ... + 72239074.

It is an arithmetic number, because the mean of its divisors is an integer number (12763734694200).

Almost surely, 2^{221212341111034} is an apocalyptic number.

221212341111034 is a deficient number, since it is larger than the sum of its proper divisors (187227169103366).

221212341111034 is a wasteful number, since it uses less digits than its factorization.

221212341111034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141356734.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 221212341111034 its reverse (430111143212122), we get a palindrome (651323484323156).

The spelling of 221212341111034 in words is "two hundred twenty-one trillion, two hundred twelve billion, three hundred forty-one million, one hundred eleven thousand, thirty-four".