221122020002102 has 4 divisors (see below), whose sum is σ = 331683030003156. Its totient is φ = 110561010001050.

The previous prime is 221122020002099. The next prime is 221122020002129. The reversal of 221122020002102 is 201200020221122.

It is a happy number.

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

It is a super-3 number, since 3×221122020002102³ (a number of 44 digits) contains 333 as substring.

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, 55280505000524 + ... + 55280505000527.

It is an arithmetic number, because the mean of its divisors is an integer number (82920757500789).

Almost surely, 2^{221122020002102} is an apocalyptic number.

221122020002102 is a deficient number, since it is larger than the sum of its proper divisors (110561010001054).

221122020002102 is a wasteful number, since it uses less digits than its factorization.

221122020002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110561010001053.

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

Adding to 221122020002102 its reverse (201200020221122), we get a palindrome (422322040223224).

The spelling of 221122020002102 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, twenty million, two thousand, one hundred two".