1012100121011 has 8 divisors (see below), whose sum is σ = 1156717183584. Its totient is φ = 867490891200.

The previous prime is 1012100120981. The next prime is 1012100121013. The reversal of 1012100121011 is 1101210012101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012100121011 - 2⁶ = 1012100120947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012100120983 and 1012100121001.

It is not an unprimeable number, because it can be changed into a prime (1012100121013) by changing a digit.

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, 1678640 + ... + 2200461.

It is an arithmetic number, because the mean of its divisors is an integer number (144589647948).

Almost surely, 2^{1012100121011} is an apocalyptic number.

1012100121011 is a deficient number, since it is larger than the sum of its proper divisors (144617062573).

1012100121011 is an equidigital number, since it uses as much as digits as its factorization.

1012100121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916381.

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

Adding to 1012100121011 its reverse (1101210012101), we get a palindrome (2113310133112).

The spelling of 1012100121011 in words is "one trillion, twelve billion, one hundred million, one hundred twenty-one thousand, eleven".