2102022001321 has 32 divisors (see below), whose sum is σ = 2402991360000. Its totient is φ = 1820083985280.

The previous prime is 2102022001301. The next prime is 2102022001399. The reversal of 2102022001321 is 1231002202012.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2102022001321 is a prime.

It is a super-3 number, since 3×2102022001321³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102022001295 and 2102022001304.

It is not an unprimeable number, because it can be changed into a prime (2102022001301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81463980 + ... + 81489778.

It is an arithmetic number, because the mean of its divisors is an integer number (75093480000).

Almost surely, 2^{2102022001321} is an apocalyptic number.

It is an amenable number.

2102022001321 is a deficient number, since it is larger than the sum of its proper divisors (300969358679).

2102022001321 is a wasteful number, since it uses less digits than its factorization.

2102022001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27189.

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

Adding to 2102022001321 its reverse (1231002202012), we get a palindrome (3333024203333).

The spelling of 2102022001321 in words is "two trillion, one hundred two billion, twenty-two million, one thousand, three hundred twenty-one".