2130221103021 has 48 divisors (see below), whose sum is σ = 3687006435840. Its totient is φ = 1169915456160.

The previous prime is 2130221102981. The next prime is 2130221103061. The reversal of 2130221103021 is 1203011220312.

2130221103021 is a `hidden beast` number, since 2 + 130 + 221 + 10 + 302 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (2130221102981) and next prime (2130221103061).

It is not a de Polignac number, because 2130221103021 - 2¹⁰ = 2130221101997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2130221102985 and 2130221103003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130221103061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24576171 + ... + 24662696.

It is an arithmetic number, because the mean of its divisors is an integer number (76812634080).

Almost surely, 2^{2130221103021} is an apocalyptic number.

It is an amenable number.

2130221103021 is a deficient number, since it is larger than the sum of its proper divisors (1556785332819).

2130221103021 is a wasteful number, since it uses less digits than its factorization.

2130221103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49238926 (or 49238923 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2130221103021 its reverse (1203011220312), we get a palindrome (3333232323333).

The spelling of 2130221103021 in words is "two trillion, one hundred thirty billion, two hundred twenty-one million, one hundred three thousand, twenty-one".