2011022000 has 80 divisors (see below), whose sum is σ = 5236768992. Its totient is φ = 742521600.

The previous prime is 2011021993. The next prime is 2011022011. The reversal of 2011022000 is 2201102.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (8).

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, 12674 + ... + 64673.

Almost surely, 2^2011022000 is an apocalyptic number.

2011022000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011022000 is an abundant number, since it is smaller than the sum of its proper divisors (3225746992).

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

2011022000 is a wasteful number, since it uses less digits than its factorization.

2011022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77383 (or 77367 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 2011022000 is about 44844.4199427309. The cubic root of 2011022000 is about 1262.2312861426.

Adding to 2011022000 its reverse (2201102), we get a palindrome (2013223102).

It can be divided in two parts, 201 and 1022000, that added together give a palindrome (1022201).

The spelling of 2011022000 in words is "two billion, eleven million, twenty-two thousand".