1220101021241 has 2 divisors, whose sum is σ = 1220101021242. Its totient is φ = 1220101021240.

The previous prime is 1220101021177. The next prime is 1220101021267. The reversal of 1220101021241 is 1421201010221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1164111523600 + 55989497641 = 1078940^2 + 236621^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220101021241 - 2⁶ = 1220101021177 is a prime.

It is a super-2 number, since 2×1220101021241² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1220101021141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610050510620 + 610050510621.

It is an arithmetic number, because the mean of its divisors is an integer number (610050510621).

Almost surely, 2^{1220101021241} is an apocalyptic number.

It is an amenable number.

1220101021241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220101021241 is an equidigital number, since it uses as much as digits as its factorization.

1220101021241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1220101021241 its reverse (1421201010221), we get a palindrome (2641302031462).

The spelling of 1220101021241 in words is "one trillion, two hundred twenty billion, one hundred one million, twenty-one thousand, two hundred forty-one".