2120200011021 has 8 divisors (see below), whose sum is σ = 2842726272480. Its totient is φ = 1405570211792.

The previous prime is 2120200011011. The next prime is 2120200011049. The reversal of 2120200011021 is 1201100020212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120200011021 - 2²³ = 2120191622413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120200010988 and 2120200011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120200011011) 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 7 ways as a sum of consecutive naturals, for example, 1974114930 + ... + 1974116003.

It is an arithmetic number, because the mean of its divisors is an integer number (355340784060).

Almost surely, 2^{2120200011021} is an apocalyptic number.

It is an amenable number.

2120200011021 is a deficient number, since it is larger than the sum of its proper divisors (722526261459).

2120200011021 is a wasteful number, since it uses less digits than its factorization.

2120200011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948231115.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2120200011021 its reverse (1201100020212), we get a palindrome (3321300031233).

The spelling of 2120200011021 in words is "two trillion, one hundred twenty billion, two hundred million, eleven thousand, twenty-one".