10221021212141 has 2 divisors, whose sum is σ = 10221021212142. Its totient is φ = 10221021212140.

The previous prime is 10221021211981. The next prime is 10221021212189. The reversal of 10221021212141 is 14121212012201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9599400924100 + 621620288041 = 3098290^2 + 788429^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221021212141 - 2²⁶ = 10220954103277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221024212141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110510606070 + 5110510606071.

It is an arithmetic number, because the mean of its divisors is an integer number (5110510606071).

Almost surely, 2^{10221021212141} is an apocalyptic number.

It is an amenable number.

10221021212141 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221021212141 is an equidigital number, since it uses as much as digits as its factorization.

10221021212141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 10221021212141 its reverse (14121212012201), we get a palindrome (24342233224342).

The spelling of 10221021212141 in words is "ten trillion, two hundred twenty-one billion, twenty-one million, two hundred twelve thousand, one hundred forty-one".