10020220011121 has 2 divisors, whose sum is σ = 10020220011122. Its totient is φ = 10020220011120.

The previous prime is 10020220011091. The next prime is 10020220011157. The reversal of 10020220011121 is 12111002202001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7058379011121 + 2961841000000 = 2656761^2 + 1721000^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020220011121 - 2⁵ = 10020220011089 is a prime.

It is not a weakly prime, because it can be changed into another prime (10020220017121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010110005560 + 5010110005561.

It is an arithmetic number, because the mean of its divisors is an integer number (5010110005561).

Almost surely, 2^{10020220011121} is an apocalyptic number.

It is an amenable number.

10020220011121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020220011121 is an equidigital number, since it uses as much as digits as its factorization.

10020220011121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10020220011121 its reverse (12111002202001), we get a palindrome (22131222213122).

The spelling of 10020220011121 in words is "ten trillion, twenty billion, two hundred twenty million, eleven thousand, one hundred twenty-one".