121221020210701 has 2 divisors, whose sum is σ = 121221020210702. Its totient is φ = 121221020210700.

The previous prime is 121221020210683. The next prime is 121221020210761. The reversal of 121221020210701 is 107012020122121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120526254618025 + 694765592676 = 10978445^2 + 833526^2 .

It is a cyclic number.

It is not a de Polignac number, because 121221020210701 - 2⁷ = 121221020210573 is a prime.

It is a super-2 number, since 2×121221020210701² (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 (121221020210761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60610510105350 + 60610510105351.

It is an arithmetic number, because the mean of its divisors is an integer number (60610510105351).

Almost surely, 2^{121221020210701} is an apocalyptic number.

It is an amenable number.

121221020210701 is a deficient number, since it is larger than the sum of its proper divisors (1).

121221020210701 is an equidigital number, since it uses as much as digits as its factorization.

121221020210701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 121221020210701 its reverse (107012020122121), we get a palindrome (228233040332822).

The spelling of 121221020210701 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, twenty million, two hundred ten thousand, seven hundred one".