222211111002021 has 32 divisors (see below), whose sum is σ = 332465645750400. Its totient is φ = 146671981142400.

The previous prime is 222211111001981. The next prime is 222211111002071. The reversal of 222211111002021 is 120200111112222.

222211111002021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222211111002021 - 2¹¹ = 222211110999973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222211111001985 and 222211111002003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211111002071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212344945 + ... + 213388841.

It is an arithmetic number, because the mean of its divisors is an integer number (10389551429700).

Almost surely, 2^{222211111002021} is an apocalyptic number.

It is an amenable number.

222211111002021 is a deficient number, since it is larger than the sum of its proper divisors (110254534748379).

222211111002021 is a wasteful number, since it uses less digits than its factorization.

222211111002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122066 (or 1122060 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222211111002021 its reverse (120200111112222), we get a palindrome (342411222114243).

The spelling of 222211111002021 in words is "two hundred twenty-two trillion, two hundred eleven billion, one hundred eleven million, two thousand, twenty-one".