100121102220000 has 240 divisors, whose sum is σ = 332374090245120. Its totient is φ = 26377285056000.

The previous prime is 100121102219993. The next prime is 100121102220031. The reversal of 100121102220000 is 22201121001.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5072320 + ... + 15032319.

It is an arithmetic number, because the mean of its divisors is an integer number (1384892042688).

Almost surely, 2^{100121102220000} is an apocalyptic number.

100121102220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100121102220000 is an abundant number, since it is smaller than the sum of its proper divisors (232252988025120).

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

100121102220000 is an equidigital number, since it uses as much as digits as its factorization.

100121102220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20104755 (or 20104732 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100121102220000 its reverse (22201121001), we get a palindrome (100143303341001).

The spelling of 100121102220000 in words is "one hundred trillion, one hundred twenty-one billion, one hundred two million, two hundred twenty thousand".