202112012111222 has 4 divisors (see below), whose sum is σ = 303168018166836. Its totient is φ = 101056006055610.

The previous prime is 202112012111129. The next prime is 202112012111263. The reversal of 202112012111222 is 222111210211202.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 202112012111194 and 202112012111203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50528003027804 + ... + 50528003027807.

It is an arithmetic number, because the mean of its divisors is an integer number (75792004541709).

Almost surely, 2^{202112012111222} is an apocalyptic number.

202112012111222 is a deficient number, since it is larger than the sum of its proper divisors (101056006055614).

202112012111222 is a wasteful number, since it uses less digits than its factorization.

202112012111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101056006055613.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 202112012111222 its reverse (222111210211202), we get a palindrome (424223222322424).

The spelling of 202112012111222 in words is "two hundred two trillion, one hundred twelve billion, twelve million, one hundred eleven thousand, two hundred twenty-two".