222102021012 has 24 divisors (see below), whose sum is σ = 524481883296. Its totient is φ = 73142030688.

The previous prime is 222102020993. The next prime is 222102021019. The reversal of 222102021012 is 210120201222.

It is a super-2 number, since 2×222102021012² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222102020982 and 222102021000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222102021019) 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, 111496003 + ... + 111497994.

It is an arithmetic number, because the mean of its divisors is an integer number (21853411804).

Almost surely, 2^222102021012 is an apocalyptic number.

It is an amenable number.

222102021012 is an abundant number, since it is smaller than the sum of its proper divisors (302379862284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222102021012 is a wasteful number, since it uses less digits than its factorization.

222102021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222994087 (or 222994085 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222102021012 its reverse (210120201222), we get a palindrome (432222222234).

The spelling of 222102021012 in words is "two hundred twenty-two billion, one hundred two million, twenty-one thousand, twelve".