102221222121202 has 16 divisors (see below), whose sum is σ = 156650966500032. Its totient is φ = 50014337194800.

The previous prime is 102221222121199. The next prime is 102221222121209. The reversal of 102221222121202 is 202121222122201.

It is a super-2 number, since 2×102221222121202² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102221222121209) 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, 2525956393 + ... + 2525996860.

It is an arithmetic number, because the mean of its divisors is an integer number (9790685406252).

Almost surely, 2^{102221222121202} is an apocalyptic number.

102221222121202 is a deficient number, since it is larger than the sum of its proper divisors (54429744378830).

102221222121202 is a wasteful number, since it uses less digits than its factorization.

102221222121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051953473.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 102221222121202 its reverse (202121222122201), we get a palindrome (304342444243403).

Subtracting 102221222121202 from its reverse (202121222122201), we obtain a palindrome (99900000000999).

The spelling of 102221222121202 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred two".