103021001020087 has 2 divisors, whose sum is σ = 103021001020088. Its totient is φ = 103021001020086.

The previous prime is 103021001020033. The next prime is 103021001020213. The reversal of 103021001020087 is 780020100120301.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103021001020087 is a prime.

It is a super-2 number, since 2×103021001020087² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103021001026087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51510500510043 + 51510500510044.

It is an arithmetic number, because the mean of its divisors is an integer number (51510500510044).

Almost surely, 2^{103021001020087} is an apocalyptic number.

103021001020087 is a deficient number, since it is larger than the sum of its proper divisors (1).

103021001020087 is an equidigital number, since it uses as much as digits as its factorization.

103021001020087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 103021001020087 its reverse (780020100120301), we get a palindrome (883041101140388).

The spelling of 103021001020087 in words is "one hundred three trillion, twenty-one billion, one million, twenty thousand, eighty-seven".