20202211211102 has 4 divisors (see below), whose sum is σ = 30303316816656. Its totient is φ = 10101105605550.

The previous prime is 20202211211101. The next prime is 20202211211129. The reversal of 20202211211102 is 20111211220202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202211211101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050552802774 + ... + 5050552802777.

It is an arithmetic number, because the mean of its divisors is an integer number (7575829204164).

Almost surely, 2^{20202211211102} is an apocalyptic number.

20202211211102 is a deficient number, since it is larger than the sum of its proper divisors (10101105605554).

20202211211102 is a wasteful number, since it uses less digits than its factorization.

20202211211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101105605553.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20202211211102 its reverse (20111211220202), we get a palindrome (40313422431304).

It can be divided in two parts, 2020221 and 1211102, that added together give a palindrome (3231323).

The spelling of 20202211211102 in words is "twenty trillion, two hundred two billion, two hundred eleven million, two hundred eleven thousand, one hundred two".