2120022010221 has 32 divisors (see below), whose sum is σ = 2992627968000. Its totient is φ = 1332673691328.

The previous prime is 2120022010213. The next prime is 2120022010229. The reversal of 2120022010221 is 1220102200212.

It is an interprime number because it is at equal distance from previous prime (2120022010213) and next prime (2120022010229).

It is not a de Polignac number, because 2120022010221 - 2³ = 2120022010213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2120022010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120022010229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26742240 + ... + 26821398.

It is an arithmetic number, because the mean of its divisors is an integer number (93519624000).

Almost surely, 2^{2120022010221} is an apocalyptic number.

It is an amenable number.

2120022010221 is a deficient number, since it is larger than the sum of its proper divisors (872605957779).

2120022010221 is a wasteful number, since it uses less digits than its factorization.

2120022010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86393.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2120022010221 its reverse (1220102200212), we get a palindrome (3340124210433).

The spelling of 2120022010221 in words is "two trillion, one hundred twenty billion, twenty-two million, ten thousand, two hundred twenty-one".