20202112122222 has 16 divisors (see below), whose sum is σ = 40761783752400. Its totient is φ = 6674444122752.

The previous prime is 20202112122191. The next prime is 20202112122233. The reversal of 20202112122222 is 22222121120202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14898312097 + ... + 14898313452.

It is an arithmetic number, because the mean of its divisors is an integer number (2547611484525).

Almost surely, 2^{20202112122222} is an apocalyptic number.

20202112122222 is an abundant number, since it is smaller than the sum of its proper divisors (20559671630178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20202112122222 is a wasteful number, since it uses less digits than its factorization.

20202112122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29796625667.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20202112122222 its reverse (22222121120202), we get a palindrome (42424233242424).

The spelling of 20202112122222 in words is "twenty trillion, two hundred two billion, one hundred twelve million, one hundred twenty-two thousand, two hundred twenty-two".