22021102220102 has 4 divisors (see below), whose sum is σ = 33031653330156. Its totient is φ = 11010551110050.

The previous prime is 22021102220077. The next prime is 22021102220111. The reversal of 22021102220102 is 20102220112022.

It is a happy number.

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

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, 5505275555024 + ... + 5505275555027.

It is an arithmetic number, because the mean of its divisors is an integer number (8257913332539).

Almost surely, 2^{22021102220102} is an apocalyptic number.

22021102220102 is a deficient number, since it is larger than the sum of its proper divisors (11010551110054).

22021102220102 is a wasteful number, since it uses less digits than its factorization.

22021102220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11010551110053.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22021102220102 its reverse (20102220112022), we get a palindrome (42123322332124).

The spelling of 22021102220102 in words is "twenty-two trillion, twenty-one billion, one hundred two million, two hundred twenty thousand, one hundred two".