101211004011 has 16 divisors (see below), whose sum is σ = 145337469984. Its totient is φ = 62279902464.

The previous prime is 101211004003. The next prime is 101211004019. The reversal of 101211004011 is 110400112101.

It is an interprime number because it is at equal distance from previous prime (101211004003) and next prime (101211004019).

It is not a de Polignac number, because 101211004011 - 2³ = 101211004003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101211004019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 656365 + ... + 795761.

It is an arithmetic number, because the mean of its divisors is an integer number (9083591874).

Almost surely, 2^101211004011 is an apocalyptic number.

101211004011 is a deficient number, since it is larger than the sum of its proper divisors (44126465973).

101211004011 is a wasteful number, since it uses less digits than its factorization.

101211004011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158030.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101211004011 its reverse (110400112101), we get a palindrome (211611116112).

The spelling of 101211004011 in words is "one hundred one billion, two hundred eleven million, four thousand, eleven".