2101021220325 has 96 divisors (see below), whose sum is σ = 3679934881792. Its totient is φ = 1056258144000.

The previous prime is 2101021220323. The next prime is 2101021220339. The reversal of 2101021220325 is 5230221201012.

It is not a de Polignac number, because 2101021220325 - 2¹ = 2101021220323 is a prime.

It is a super-3 number, since 3×2101021220325³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101021220321) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14536062 + ... + 14679888.

Almost surely, 2^{2101021220325} is an apocalyptic number.

2101021220325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2101021220325 is a deficient number, since it is larger than the sum of its proper divisors (1578913661467).

2101021220325 is a wasteful number, since it uses less digits than its factorization.

2101021220325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144035 (or 144030 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 2101021220325 its reverse (5230221201012), we get a palindrome (7331242421337).

The spelling of 2101021220325 in words is "two trillion, one hundred one billion, twenty-one million, two hundred twenty thousand, three hundred twenty-five".