20211111202 has 4 divisors (see below), whose sum is σ = 30316666806. Its totient is φ = 10105555600.

The previous prime is 20211111073. The next prime is 20211111203.

20211111202 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 12206051361 + 8005059841 = 110481^2 + 89471^2 .

It is not an unprimeable number, because it can be changed into a prime (20211111203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5052777799 + ... + 5052777802.

Almost surely, 2^20211111202 is an apocalyptic number.

20211111202 is a deficient number, since it is larger than the sum of its proper divisors (10105555604).

20211111202 is a wasteful number, since it uses less digits than its factorization.

20211111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105555603.

The product of its (nonzero) digits is 16, while the sum is 13.

The spelling of 20211111202 in words is "twenty billion, two hundred eleven million, one hundred eleven thousand, two hundred two".