1010221145 has 16 divisors (see below), whose sum is σ = 1241602560. Its totient is φ = 788653824.

The previous prime is 1010221139. The next prime is 1010221159. The reversal of 1010221145 is 5411220101.

It is a cyclic number.

It is not a de Polignac number, because 1010221145 - 2²⁸ = 741785689 is a prime.

It is a super-2 number, since 2×1010221145² = 2041093523610222050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456632 + ... + 458838.

It is an arithmetic number, because the mean of its divisors is an integer number (77600160).

Almost surely, 2^1010221145 is an apocalyptic number.

It is an amenable number.

1010221145 is a deficient number, since it is larger than the sum of its proper divisors (231381415).

1010221145 is a wasteful number, since it uses less digits than its factorization.

1010221145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1010221145 is about 31783.9762301698. The cubic root of 1010221145 is about 1003.3955058241.

Adding to 1010221145 its reverse (5411220101), we get a palindrome (6421441246).

The spelling of 1010221145 in words is "one billion, ten million, two hundred twenty-one thousand, one hundred forty-five".