20111101202 has 32 divisors (see below), whose sum is σ = 30596946480. Its totient is φ = 9913512960.

The previous prime is 20111101193. The next prime is 20111101217. The reversal of 20111101202 is 20210111102.

It can be written as a sum of positive squares in 8 ways, for example, as 4794316081 + 15316785121 = 69241^2 + 123761^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38600702 + ... + 38601222.

Almost surely, 2^20111101202 is an apocalyptic number.

20111101202 is a deficient number, since it is larger than the sum of its proper divisors (10485845278).

20111101202 is a wasteful number, since it uses less digits than its factorization.

20111101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20111101202 its reverse (20210111102), we get a palindrome (40321212304).

The spelling of 20111101202 in words is "twenty billion, one hundred eleven million, one hundred one thousand, two hundred two".