20202211111100 has 72 divisors (see below), whose sum is σ = 43944547264800. Its totient is φ = 8061395374080.

The previous prime is 20202211111081. The next prime is 20202211111111. The reversal of 20202211111100 is 111111220202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 590984609 + ... + 591018791.

Almost surely, 2^{20202211111100} is an apocalyptic number.

20202211111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202211111100 is an abundant number, since it is smaller than the sum of its proper divisors (23742336153700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20202211111100 is a wasteful number, since it uses less digits than its factorization.

20202211111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48279 (or 48272 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20202211111100 its reverse (111111220202), we get a palindrome (20313322331302).

The spelling of 20202211111100 in words is "twenty trillion, two hundred two billion, two hundred eleven million, one hundred eleven thousand, one hundred".