1020221000986 has 48 divisors (see below), whose sum is σ = 1790651229120. Its totient is φ = 432220446720.

The previous prime is 1020221000959. The next prime is 1020221000989. The reversal of 1020221000986 is 6890001220201.

1020221000986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1020221000989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124071 + ... + 1433818.

It is an arithmetic number, because the mean of its divisors is an integer number (37305233940).

Almost surely, 2^{1020221000986} is an apocalyptic number.

1020221000986 is a deficient number, since it is larger than the sum of its proper divisors (770430228134).

1020221000986 is a wasteful number, since it uses less digits than its factorization.

1020221000986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558039 (or 1558022 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 1020221000986 in words is "one trillion, twenty billion, two hundred twenty-one million, nine hundred eighty-six", and thus it is an aban number.