10011211020998 has 16 divisors (see below), whose sum is σ = 16544179512720. Its totient is φ = 4505495508000.

The previous prime is 10011211020989. The next prime is 10011211021003. The reversal of 10011211020998 is 89902011211001.

It is a happy number.

It is a super-2 number, since 2×10011211020998² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2252745533 + ... + 2252749976.

It is an arithmetic number, because the mean of its divisors is an integer number (1034011219545).

Almost surely, 2^{10011211020998} is an apocalyptic number.

10011211020998 is a deficient number, since it is larger than the sum of its proper divisors (6532968491722).

10011211020998 is a wasteful number, since it uses less digits than its factorization.

10011211020998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505495623.

The product of its (nonzero) digits is 2592, while the sum is 35.

Adding to 10011211020998 its reverse (89902011211001), we get a palindrome (99913222231999).

The spelling of 10011211020998 in words is "ten trillion, eleven billion, two hundred eleven million, twenty thousand, nine hundred ninety-eight".