121010221100141 has 2 divisors, whose sum is σ = 121010221100142. Its totient is φ = 121010221100140.

The previous prime is 121010221100137. The next prime is 121010221100159. The reversal of 121010221100141 is 141001122010121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85386285820900 + 35623935279241 = 9240470^2 + 5968579^2 .

It is an emirp because it is prime and its reverse (141001122010121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121010221100141 - 2² = 121010221100137 is a prime.

It is a super-2 number, since 2×121010221100141² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121010221106141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505110550070 + 60505110550071.

It is an arithmetic number, because the mean of its divisors is an integer number (60505110550071).

Almost surely, 2^{121010221100141} is an apocalyptic number.

It is an amenable number.

121010221100141 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010221100141 is an equidigital number, since it uses as much as digits as its factorization.

121010221100141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121010221100141 its reverse (141001122010121), we get a palindrome (262011343110262).

The spelling of 121010221100141 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty-one million, one hundred thousand, one hundred forty-one".