1021541022 has 24 divisors (see below), whose sum is σ = 2234831664. Its totient is φ = 337207104.

The previous prime is 1021541011. The next prime is 1021541051. The reversal of 1021541022 is 2201451201.

1021541022 is a `hidden beast` number, since 102 + 1 + 541 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1021540986 and 1021541004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273643 + ... + 277350.

It is an arithmetic number, because the mean of its divisors is an integer number (93117986).

Almost surely, 2^1021541022 is an apocalyptic number.

1021541022 is an abundant number, since it is smaller than the sum of its proper divisors (1213290642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021541022 is a wasteful number, since it uses less digits than its factorization.

1021541022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551104 (or 551101 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1021541022 is about 31961.5553751691. Note that the first 3 decimals coincide. The cubic root of 1021541022 is about 1007.1293916499.

Adding to 1021541022 its reverse (2201451201), we get a palindrome (3222992223).

The spelling of 1021541022 in words is "one billion, twenty-one million, five hundred forty-one thousand, twenty-two".