2123001332220 has 48 divisors (see below), whose sum is σ = 5944467247488. Its totient is φ = 566127639360.

The previous prime is 2123001332189. The next prime is 2123001332251. The reversal of 2123001332220 is 222331003212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2123001332189) and next prime (2123001332251).

It is a congruent number.

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, 10112115 + ... + 10319925.

It is an arithmetic number, because the mean of its divisors is an integer number (123843067656).

Almost surely, 2^{2123001332220} is an apocalyptic number.

2123001332220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123001332220 is an abundant number, since it is smaller than the sum of its proper divisors (3821465915268).

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

2123001332220 is a wasteful number, since it uses less digits than its factorization.

2123001332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378090 (or 378088 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2123001332220 its reverse (222331003212), we get a palindrome (2345332335432).

The spelling of 2123001332220 in words is "two trillion, one hundred twenty-three billion, one million, three hundred thirty-two thousand, two hundred twenty".