20202201112100 has 72 divisors (see below), whose sum is σ = 53048603422080. Its totient is φ = 6519029598720.

The previous prime is 20202201112091. The next prime is 20202201112157. The reversal of 20202201112100 is 121110220202.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 848820080 + ... + 848843879.

It is an arithmetic number, because the mean of its divisors is an integer number (736786158640).

Almost surely, 2^{20202201112100} is an apocalyptic number.

20202201112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202201112100 is an abundant number, since it is smaller than the sum of its proper divisors (32846402309980).

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

20202201112100 is a wasteful number, since it uses less digits than its factorization.

20202201112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697663997 (or 1697663990 counting only the distinct ones).

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

Adding to 20202201112100 its reverse (121110220202), we get a palindrome (20323311332302).

The spelling of 20202201112100 in words is "twenty trillion, two hundred two billion, two hundred one million, one hundred twelve thousand, one hundred".