1010110987421 has 2 divisors, whose sum is σ = 1010110987422. Its totient is φ = 1010110987420.

The previous prime is 1010110987399. The next prime is 1010110987423. The reversal of 1010110987421 is 1247890110101.

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., 825443114521 + 184667872900 = 908539^2 + 429730^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010110987421 - 2⁶ = 1010110987357 is a prime.

Together with 1010110987423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010110987423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505055493710 + 505055493711.

It is an arithmetic number, because the mean of its divisors is an integer number (505055493711).

Almost surely, 2^{1010110987421} is an apocalyptic number.

It is an amenable number.

1010110987421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010110987421 is an equidigital number, since it uses as much as digits as its factorization.

1010110987421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 35.

The spelling of 1010110987421 in words is "one trillion, ten billion, one hundred ten million, nine hundred eighty-seven thousand, four hundred twenty-one".