10121202121100 has 72 divisors (see below), whose sum is σ = 25123054625760. Its totient is φ = 3467019525120.

The previous prime is 10121202121087. The next prime is 10121202121171. The reversal of 10121202121100 is 112120212101.

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, 5690285 + ... + 7254084.

Almost surely, 2^{10121202121100} is an apocalyptic number.

10121202121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121202121100 is an abundant number, since it is smaller than the sum of its proper divisors (15001852504660).

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

10121202121100 is a wasteful number, since it uses less digits than its factorization.

10121202121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12945507 (or 12945500 counting only the distinct ones).

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

Adding to 10121202121100 its reverse (112120212101), we get a palindrome (10233322333201).

The spelling of 10121202121100 in words is "ten trillion, one hundred twenty-one billion, two hundred two million, one hundred twenty-one thousand, one hundred".