2120212022021 has 8 divisors (see below), whose sum is σ = 2144432232000. Its totient is φ = 2096000647840.

The previous prime is 2120212022017. The next prime is 2120212022041. The reversal of 2120212022021 is 1202202120212.

It is a happy number.

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 2120212022021 - 2² = 2120212022017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120212022041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1725695 + ... + 2686716.

It is an arithmetic number, because the mean of its divisors is an integer number (268054029000).

Almost surely, 2^{2120212022021} is an apocalyptic number.

It is an amenable number.

2120212022021 is a deficient number, since it is larger than the sum of its proper divisors (24220209979).

2120212022021 is an equidigital number, since it uses as much as digits as its factorization.

2120212022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4417899.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2120212022021 its reverse (1202202120212), we get a palindrome (3322414142233).

The spelling of 2120212022021 in words is "two trillion, one hundred twenty billion, two hundred twelve million, twenty-two thousand, twenty-one".