2122021010320 has 40 divisors (see below), whose sum is σ = 4933803575736. Its totient is φ = 848790386688.

The previous prime is 2122021010269. The next prime is 2122021010443. The reversal of 2122021010320 is 230101202212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 139376782224 + 1982644228096 = 373332^2 + 1408064^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a junction number, because it is equal to n+sod(n) for n = 2122021010294 and 2122021010303.

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, 3895864 + ... + 4407016.

Almost surely, 2^{2122021010320} is an apocalyptic number.

2122021010320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122021010320 is an abundant number, since it is smaller than the sum of its proper divisors (2811782565416).

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

2122021010320 is a wasteful number, since it uses less digits than its factorization.

2122021010320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563059 (or 563053 counting only the distinct ones).

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

Adding to 2122021010320 its reverse (230101202212), we get a palindrome (2352122212532).

The spelling of 2122021010320 in words is "two trillion, one hundred twenty-two billion, twenty-one million, ten thousand, three hundred twenty".