101201021022121 has 2 divisors, whose sum is σ = 101201021022122. Its totient is φ = 101201021022120.

The previous prime is 101201021022109. The next prime is 101201021022181. The reversal of 101201021022121 is 121220120102101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95668176182121 + 5532844840000 = 9781011^2 + 2352200^2 .

It is a cyclic number.

It is not a de Polignac number, because 101201021022121 - 2⁵ = 101201021022089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101201021022095 and 101201021022104.

It is not a weakly prime, because it can be changed into another prime (101201021022181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600510511060 + 50600510511061.

It is an arithmetic number, because the mean of its divisors is an integer number (50600510511061).

Almost surely, 2^{101201021022121} is an apocalyptic number.

It is an amenable number.

101201021022121 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201021022121 is an equidigital number, since it uses as much as digits as its factorization.

101201021022121 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 16.

Adding to 101201021022121 its reverse (121220120102101), we get a palindrome (222421141124222).

The spelling of 101201021022121 in words is "one hundred one trillion, two hundred one billion, twenty-one million, twenty-two thousand, one hundred twenty-one".