10202232022121 has 2 divisors, whose sum is σ = 10202232022122. Its totient is φ = 10202232022120.

The previous prime is 10202232022079. The next prime is 10202232022133. The reversal of 10202232022121 is 12122023220201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8902996796521 + 1299235225600 = 2983789^2 + 1139840^2 .

It is an emirp because it is prime and its reverse (12122023220201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10202232022121 - 2²² = 10202227827817 is a prime.

It is a super-2 number, since 2×10202232022121² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10202232022093 and 10202232022102.

It is not a weakly prime, because it can be changed into another prime (10202232022721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101116011060 + 5101116011061.

It is an arithmetic number, because the mean of its divisors is an integer number (5101116011061).

Almost surely, 2^{10202232022121} is an apocalyptic number.

It is an amenable number.

10202232022121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202232022121 is an equidigital number, since it uses as much as digits as its factorization.

10202232022121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10202232022121 its reverse (12122023220201), we get a palindrome (22324255242322).

The spelling of 10202232022121 in words is "ten trillion, two hundred two billion, two hundred thirty-two million, twenty-two thousand, one hundred twenty-one".