1010221983 has 8 divisors (see below), whose sum is σ = 1496625200. Its totient is φ = 673481304.

The previous prime is 1010221973. The next prime is 1010222011. The reversal of 1010221983 is 3891220101.

It is not a de Polignac number, because 1010221983 - 2⁵ = 1010221951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 37415629 = 1010221983 / (1 + 0 + 1 + 0 + 2 + 2 + 1 + 9 + 8 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010221903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18707788 + ... + 18707841.

It is an arithmetic number, because the mean of its divisors is an integer number (187078150).

Almost surely, 2^1010221983 is an apocalyptic number.

1010221983 is a deficient number, since it is larger than the sum of its proper divisors (486403217).

1010221983 is an equidigital number, since it uses as much as digits as its factorization.

1010221983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37415638 (or 37415632 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1010221983 is about 31783.9894129104. The cubic root of 1010221983 is about 1003.3957832700.

The spelling of 1010221983 in words is "one billion, ten million, two hundred twenty-one thousand, nine hundred eighty-three".