10211121020099 has 16 divisors (see below), whose sum is σ = 10506869871456. Its totient is φ = 9919934438400.

The previous prime is 10211121020047. The next prime is 10211121020161. The reversal of 10211121020099 is 99002012111201.

It is a cyclic number.

It is not a de Polignac number, because 10211121020099 - 2¹² = 10211121016003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211121020029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147889 + ... + 4662605.

It is an arithmetic number, because the mean of its divisors is an integer number (656679366966).

Almost surely, 2^{10211121020099} is an apocalyptic number.

10211121020099 is a deficient number, since it is larger than the sum of its proper divisors (295748851357).

10211121020099 is an equidigital number, since it uses as much as digits as its factorization.

10211121020099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515366.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 10211121020099 in words is "ten trillion, two hundred eleven billion, one hundred twenty-one million, twenty thousand, ninety-nine".