121222221041 has 2 divisors, whose sum is σ = 121222221042. Its totient is φ = 121222221040.

The previous prime is 121222220969. The next prime is 121222221049. The reversal of 121222221041 is 140122222121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81270606400 + 39951614641 = 285080^2 + 199879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121222221041 is a prime.

It is a super-3 number, since 3×121222221041³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (121222221049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60611110520 + 60611110521.

It is an arithmetic number, because the mean of its divisors is an integer number (60611110521).

Almost surely, 2^121222221041 is an apocalyptic number.

It is an amenable number.

121222221041 is a deficient number, since it is larger than the sum of its proper divisors (1).

121222221041 is an equidigital number, since it uses as much as digits as its factorization.

121222221041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121222221041 its reverse (140122222121), we get a palindrome (261344443162).

The spelling of 121222221041 in words is "one hundred twenty-one billion, two hundred twenty-two million, two hundred twenty-one thousand, forty-one".