161010012202222 has 32 divisors (see below), whose sum is σ = 277864077818880. Its totient is φ = 69466019437440.

The previous prime is 161010012202219. The next prime is 161010012202283. The reversal of 161010012202222 is 222202210010161.

It is a junction number, because it is equal to n+sod(n) for n = 161010012202193 and 161010012202202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4020004248 + ... + 4020044299.

It is an arithmetic number, because the mean of its divisors is an integer number (8683252431840).

Almost surely, 2^{161010012202222} is an apocalyptic number.

161010012202222 is a deficient number, since it is larger than the sum of its proper divisors (116854065616658).

161010012202222 is a wasteful number, since it uses less digits than its factorization.

161010012202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040048616.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 161010012202222 its reverse (222202210010161), we get a palindrome (383212222212383).

The spelling of 161010012202222 in words is "one hundred sixty-one trillion, ten billion, twelve million, two hundred two thousand, two hundred twenty-two".