2211011340 has 24 divisors (see below), whose sum is σ = 6190831920. Its totient is φ = 589603008.

The previous prime is 2211011333. The next prime is 2211011351. The reversal of 2211011340 is 431101122.

It is a super-2 number, since 2×2211011340² = 9777142291217191200, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18425035 + ... + 18425154.

It is an arithmetic number, because the mean of its divisors is an integer number (257951330).

Almost surely, 2^2211011340 is an apocalyptic number.

2211011340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211011340 is an abundant number, since it is smaller than the sum of its proper divisors (3979820580).

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

2211011340 is a wasteful number, since it uses less digits than its factorization.

2211011340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36850201 (or 36850199 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2211011340 is about 47021.3923656031. The cubic root of 2211011340 is about 1302.7577237417.

Adding to 2211011340 its reverse (431101122), we get a palindrome (2642112462).

The spelling of 2211011340 in words is "two billion, two hundred eleven million, eleven thousand, three hundred forty".