100212010101011 has 4 divisors (see below), whose sum is σ = 100214136753192. Its totient is φ = 100209883448832.

The previous prime is 100212010100977. The next prime is 100212010101029. The reversal of 100212010101011 is 110101010212001.

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

It is a cyclic number.

It is not a de Polignac number, because 100212010101011 - 2¹⁰ = 100212010099987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100212010100983 and 100212010101001.

It is not an unprimeable number, because it can be changed into a prime (100212010101211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063255406 + ... + 1063349651.

It is an arithmetic number, because the mean of its divisors is an integer number (25053534188298).

Almost surely, 2^{100212010101011} is an apocalyptic number.

100212010101011 is a deficient number, since it is larger than the sum of its proper divisors (2126652181).

100212010101011 is an equidigital number, since it uses as much as digits as its factorization.

100212010101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126652180.

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

Adding to 100212010101011 its reverse (110101010212001), we get a palindrome (210313020313012).

The spelling of 100212010101011 in words is "one hundred trillion, two hundred twelve billion, ten million, one hundred one thousand, eleven".