2220334550021 has 16 divisors (see below), whose sum is σ = 2690576108160. Its totient is φ = 1789817990400.

The previous prime is 2220334549903. The next prime is 2220334550131. The reversal of 2220334550021 is 1200554330222.

It is a cyclic number.

It is not a de Polignac number, because 2220334550021 - 2¹⁸ = 2220334287877 is a prime.

It is a super-2 number, since 2×2220334550021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220334559021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60909680 + ... + 60946121.

It is an arithmetic number, because the mean of its divisors is an integer number (168161006760).

Almost surely, 2^{2220334550021} is an apocalyptic number.

It is an amenable number.

2220334550021 is a deficient number, since it is larger than the sum of its proper divisors (470241558139).

2220334550021 is a wasteful number, since it uses less digits than its factorization.

2220334550021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121855964.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 2220334550021 its reverse (1200554330222), we get a palindrome (3420888880243).

The spelling of 2220334550021 in words is "two trillion, two hundred twenty billion, three hundred thirty-four million, five hundred fifty thousand, twenty-one".