1011020210987 has 2 divisors, whose sum is σ = 1011020210988. Its totient is φ = 1011020210986.

The previous prime is 1011020210957. The next prime is 1011020211029. The reversal of 1011020210987 is 7890120201101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011020210987 - 2¹⁶ = 1011020145451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011020210917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505510105493 + 505510105494.

It is an arithmetic number, because the mean of its divisors is an integer number (505510105494).

Almost surely, 2^{1011020210987} is an apocalyptic number.

1011020210987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011020210987 is an equidigital number, since it uses as much as digits as its factorization.

1011020210987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 32.

The spelling of 1011020210987 in words is "one trillion, eleven billion, twenty million, two hundred ten thousand, nine hundred eighty-seven".