10202121212027 has 2 divisors, whose sum is σ = 10202121212028. Its totient is φ = 10202121212026.

The previous prime is 10202121211999. The next prime is 10202121212119. The reversal of 10202121212027 is 72021212120201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10202121212027 - 2²² = 10202117017723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10202121211993 and 10202121212011.

It is not a weakly prime, because it can be changed into another prime (10202123212027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101060606013 + 5101060606014.

It is an arithmetic number, because the mean of its divisors is an integer number (5101060606014).

Almost surely, 2^{10202121212027} is an apocalyptic number.

10202121212027 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202121212027 is an equidigital number, since it uses as much as digits as its factorization.

10202121212027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 10202121212027 its reverse (72021212120201), we get a palindrome (82223333332228).

The spelling of 10202121212027 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, two hundred twelve thousand, twenty-seven".