202102100222 has 32 divisors (see below), whose sum is σ = 337275640800. Its totient is φ = 90044830720.

The previous prime is 202102100131. The next prime is 202102100257. The reversal of 202102100222 is 222001201202.

It is a junction number, because it is equal to n+sod(n) for n = 202102100197 and 202102100206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1140518 + ... + 1305750.

It is an arithmetic number, because the mean of its divisors is an integer number (10539863775).

Almost surely, 2^202102100222 is an apocalyptic number.

202102100222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202102100222 is a deficient number, since it is larger than the sum of its proper divisors (135173540578).

202102100222 is a wasteful number, since it uses less digits than its factorization.

202102100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166348.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202102100222 its reverse (222001201202), we get a palindrome (424103301424).

The spelling of 202102100222 in words is "two hundred two billion, one hundred two million, one hundred thousand, two hundred twenty-two".