2011422120 has 64 divisors (see below), whose sum is σ = 6197368320. Its totient is φ = 521881344.

The previous prime is 2011422097. The next prime is 2011422143. The reversal of 2011422120 is 212241102.

It is an interprime number because it is at equal distance from previous prime (2011422097) and next prime (2011422143).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2011422120.

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, 222072 + ... + 230951.

It is an arithmetic number, because the mean of its divisors is an integer number (96833880).

Almost surely, 2^2011422120 is an apocalyptic number.

2011422120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011422120 is an abundant number, since it is smaller than the sum of its proper divisors (4185946200).

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

2011422120 is a wasteful number, since it uses less digits than its factorization.

2011422120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453074 (or 453070 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2011422120 is about 44848.8809224935. The cubic root of 2011422120 is about 1262.3149932479.

Adding to 2011422120 its reverse (212241102), we get a palindrome (2223663222).

The spelling of 2011422120 in words is "two billion, eleven million, four hundred twenty-two thousand, one hundred twenty".