10121022022021 has 2 divisors, whose sum is σ = 10121022022022. Its totient is φ = 10121022022020.

The previous prime is 10121022021989. The next prime is 10121022022051. The reversal of 10121022022021 is 12022022012101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6211504459521 + 3909517562500 = 2492289^2 + 1977250^2 .

It is an emirp because it is prime and its reverse (12022022012101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10121022022021 - 2⁵ = 10121022021989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10121022021986 and 10121022022004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121022022051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060511011010 + 5060511011011.

It is an arithmetic number, because the mean of its divisors is an integer number (5060511011011).

Almost surely, 2^{10121022022021} is an apocalyptic number.

It is an amenable number.

10121022022021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121022022021 is an equidigital number, since it uses as much as digits as its factorization.

10121022022021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10121022022021 its reverse (12022022012101), we get a palindrome (22143044034122).

The spelling of 10121022022021 in words is "ten trillion, one hundred twenty-one billion, twenty-two million, twenty-two thousand, twenty-one".