2123211040 has 48 divisors (see below), whose sum is σ = 5020481088. Its totient is φ = 848540416.

The previous prime is 2123211023. The next prime is 2123211053. The reversal of 2123211040 is 401123212.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 200109 + ... + 210451.

It is an arithmetic number, because the mean of its divisors is an integer number (104593356).

Almost surely, 2^2123211040 is an apocalyptic number.

2123211040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123211040 is an abundant number, since it is smaller than the sum of its proper divisors (2897270048).

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

2123211040 is a wasteful number, since it uses less digits than its factorization.

2123211040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11641 (or 11633 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2123211040 is about 46078.3142052745. The cubic root of 2123211040 is about 1285.2799160073.

Adding to 2123211040 its reverse (401123212), we get a palindrome (2524334252).

The spelling of 2123211040 in words is "two billion, one hundred twenty-three million, two hundred eleven thousand, forty".