1020114210421 has 2 divisors, whose sum is σ = 1020114210422. Its totient is φ = 1020114210420.

The previous prime is 1020114210389. The next prime is 1020114210439. The reversal of 1020114210421 is 1240124110201.

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., 560139980625 + 459974229796 = 748425^2 + 678214^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020114210421 - 2⁵ = 1020114210389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020114210721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510057105210 + 510057105211.

It is an arithmetic number, because the mean of its divisors is an integer number (510057105211).

Almost surely, 2^{1020114210421} is an apocalyptic number.

It is an amenable number.

1020114210421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020114210421 is an equidigital number, since it uses as much as digits as its factorization.

1020114210421 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 19.

Adding to 1020114210421 its reverse (1240124110201), we get a palindrome (2260238320622).

The spelling of 1020114210421 in words is "one trillion, twenty billion, one hundred fourteen million, two hundred ten thousand, four hundred twenty-one".