2222010011221 has 192 divisors, whose sum is σ = 3119105138688. Its totient is φ = 1539679680000.

The previous prime is 2222010011219. The next prime is 2222010011311. The reversal of 2222010011221 is 1221100102222.

It is a happy number.

It is not a de Polignac number, because 2222010011221 - 2¹ = 2222010011219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2222010011195 and 2222010011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222010015221) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8448707136 + ... + 8448707398.

It is an arithmetic number, because the mean of its divisors is an integer number (16245339264).

Almost surely, 2^{2222010011221} is an apocalyptic number.

It is an amenable number.

2222010011221 is a deficient number, since it is larger than the sum of its proper divisors (897095127467).

2222010011221 is a wasteful number, since it uses less digits than its factorization.

2222010011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2222010011221 its reverse (1221100102222), we get a palindrome (3443110113443).

It can be divided in two parts, 222201001 and 1221, that added together give a palindrome (222202222).

The spelling of 2222010011221 in words is "two trillion, two hundred twenty-two billion, ten million, eleven thousand, two hundred twenty-one".