102202220121202 has 8 divisors (see below), whose sum is σ = 158589651912300. Its totient is φ = 49339002817104.

The previous prime is 102202220121139. The next prime is 102202220121203. The reversal of 102202220121202 is 202121022202201.

It can be written as a sum of positive squares in 2 ways, for example, as 98910205420321 + 3292014700881 = 9945361^2 + 1814391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 102202220121202.

It is not an unprimeable number, because it can be changed into a prime (102202220121203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881053621677 + ... + 881053621792.

Almost surely, 2^{102202220121202} is an apocalyptic number.

102202220121202 is a deficient number, since it is larger than the sum of its proper divisors (56387431791098).

102202220121202 is a wasteful number, since it uses less digits than its factorization.

102202220121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762107243500.

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

Adding to 102202220121202 its reverse (202121022202201), we get a palindrome (304323242323403).

The spelling of 102202220121202 in words is "one hundred two trillion, two hundred two billion, two hundred twenty million, one hundred twenty-one thousand, two hundred two".