2111100121010 has 32 divisors (see below), whose sum is σ = 3856837375872. Its totient is φ = 831806046720.

The previous prime is 2111100120989. The next prime is 2111100121019. The reversal of 2111100121010 is 101210011112.

It is a junction number, because it is equal to n+sod(n) for n = 2111100120982 and 2111100121000.

It is not an unprimeable number, because it can be changed into a prime (2111100121019) 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, 29874179 + ... + 29944761.

It is an arithmetic number, because the mean of its divisors is an integer number (120526167996).

Almost surely, 2^{2111100121010} is an apocalyptic number.

2111100121010 is a deficient number, since it is larger than the sum of its proper divisors (1745737254862).

2111100121010 is a wasteful number, since it uses less digits than its factorization.

2111100121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115298.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2111100121010 its reverse (101210011112), we get a palindrome (2212310132122).

The spelling of 2111100121010 in words is "two trillion, one hundred eleven billion, one hundred million, one hundred twenty-one thousand, ten".