222210021220102 has 4 divisors (see below), whose sum is σ = 333315031830156. Its totient is φ = 111105010610050.

The previous prime is 222210021220013. The next prime is 222210021220133. The reversal of 222210021220102 is 201022120012222.

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

It is a super-2 number, since 2×222210021220102² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222210021220102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55552505305024 + ... + 55552505305027.

It is an arithmetic number, because the mean of its divisors is an integer number (83328757957539).

Almost surely, 2^{222210021220102} is an apocalyptic number.

222210021220102 is a deficient number, since it is larger than the sum of its proper divisors (111105010610054).

222210021220102 is a wasteful number, since it uses less digits than its factorization.

222210021220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111105010610053.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222210021220102 its reverse (201022120012222), we get a palindrome (423232141232324).

The spelling of 222210021220102 in words is "two hundred twenty-two trillion, two hundred ten billion, twenty-one million, two hundred twenty thousand, one hundred two".