20111122202 has 16 divisors (see below), whose sum is σ = 30849400800. Its totient is φ = 9829893360.

The previous prime is 20111122183. The next prime is 20111122219. The reversal of 20111122202 is 20222111102.

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, 454949 + ... + 497192.

It is an arithmetic number, because the mean of its divisors is an integer number (1928087550).

Almost surely, 2^20111122202 is an apocalyptic number.

20111122202 is a deficient number, since it is larger than the sum of its proper divisors (10738278598).

20111122202 is a wasteful number, since it uses less digits than its factorization.

20111122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952381.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20111122202 its reverse (20222111102), we get a palindrome (40333233304).

The spelling of 20111122202 in words is "twenty billion, one hundred eleven million, one hundred twenty-two thousand, two hundred two".