222222120020102 has 4 divisors (see below), whose sum is σ = 333333180030156. Its totient is φ = 111111060010050.

The previous prime is 222222120020101. The next prime is 222222120020123. The reversal of 222222120020102 is 201020021222222.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×222222120020102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222120020101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555530005024 + ... + 55555530005027.

It is an arithmetic number, because the mean of its divisors is an integer number (83333295007539).

Almost surely, 2^{222222120020102} is an apocalyptic number.

222222120020102 is a deficient number, since it is larger than the sum of its proper divisors (111111060010054).

222222120020102 is a wasteful number, since it uses less digits than its factorization.

222222120020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111111060010053.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222222120020102 its reverse (201020021222222), we get a palindrome (423242141242324).

The spelling of 222222120020102 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty million, twenty thousand, one hundred two".