1022011000 has 32 divisors (see below), whose sum is σ = 2391508080. Its totient is φ = 408804000.

The previous prime is 1022010989. The next prime is 1022011027. The reversal of 1022011000 is 1102201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510006 + ... + 512005.

Almost surely, 2^1022011000 is an apocalyptic number.

1022011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022011000 is an abundant number, since it is smaller than the sum of its proper divisors (1369497080).

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

1022011000 is a wasteful number, since it uses less digits than its factorization.

1022011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022032 (or 1022018 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1022011000 is about 31968.9067689216. The cubic root of 1022011000 is about 1007.2838171952.

Adding to 1022011000 its reverse (1102201), we get a palindrome (1023113201).

It can be divided in two parts, 102 and 2011000, that added together give a palindrome (2011102).

The spelling of 1022011000 in words is "one billion, twenty-two million, eleven thousand".