10202121211100 has 144 divisors (see below), whose sum is σ = 27517291238976. Its totient is φ = 3196834560000.

The previous prime is 10202121211063. The next prime is 10202121211153. The reversal of 10202121211100 is 111212120201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4630961 + ... + 6469160.

Almost surely, 2^{10202121211100} is an apocalyptic number.

10202121211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202121211100 is an abundant number, since it is smaller than the sum of its proper divisors (17315170027876).

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

10202121211100 is a wasteful number, since it uses less digits than its factorization.

10202121211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100256 (or 11100249 counting only the distinct ones).

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

Adding to 10202121211100 its reverse (111212120201), we get a palindrome (10313333331301).

The spelling of 10202121211100 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, two hundred eleven thousand, one hundred".