10011121209998 has 4 divisors (see below), whose sum is σ = 15016681815000. Its totient is φ = 5005560604998.

The previous prime is 10011121209979. The next prime is 10011121210109. The reversal of 10011121209998 is 89990212111001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502780302498 + ... + 2502780302501.

It is an arithmetic number, because the mean of its divisors is an integer number (3754170453750).

Almost surely, 2^{10011121209998} is an apocalyptic number.

10011121209998 is a deficient number, since it is larger than the sum of its proper divisors (5005560605002).

10011121209998 is an equidigital number, since it uses as much as digits as its factorization.

10011121209998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005560605001.

The product of its (nonzero) digits is 23328, while the sum is 44.

The spelling of 10011121209998 in words is "ten trillion, eleven billion, one hundred twenty-one million, two hundred nine thousand, nine hundred ninety-eight".