101212011012011 has 4 divisors (see below), whose sum is σ = 101577397333632. Its totient is φ = 100846624690392.

The previous prime is 101212011012001. The next prime is 101212011012037. The reversal of 101212011012011 is 110210110212101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101212011012011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101212011012001) 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, 182693160395 + ... + 182693160948.

It is an arithmetic number, because the mean of its divisors is an integer number (25394349333408).

Almost surely, 2^{101212011012011} is an apocalyptic number.

101212011012011 is a deficient number, since it is larger than the sum of its proper divisors (365386321621).

101212011012011 is an equidigital number, since it uses as much as digits as its factorization.

101212011012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365386321620.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101212011012011 its reverse (110210110212101), we get a palindrome (211422121224112).

The spelling of 101212011012011 in words is "one hundred one trillion, two hundred twelve billion, eleven million, twelve thousand, eleven".