2220012023021 has 8 divisors (see below), whose sum is σ = 2391249839160. Its totient is φ = 2048841015552.

The previous prime is 2220012022951. The next prime is 2220012023029. The reversal of 2220012023021 is 1203202100222.

It can be written as a sum of positive squares in 4 ways, for example, as 31724953225 + 2188287069796 = 178115^2 + 1479286^2 .

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 2220012023021 - 2¹⁸ = 2220011760877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220012023029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16633136 + ... + 16766073.

It is an arithmetic number, because the mean of its divisors is an integer number (298906229895).

Almost surely, 2^{2220012023021} is an apocalyptic number.

It is an amenable number.

2220012023021 is a deficient number, since it is larger than the sum of its proper divisors (171237816139).

2220012023021 is a wasteful number, since it uses less digits than its factorization.

2220012023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33404335.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2220012023021 its reverse (1203202100222), we get a palindrome (3423214123243).

The spelling of 2220012023021 in words is "two trillion, two hundred twenty billion, twelve million, twenty-three thousand, twenty-one".