101211020101011 has 16 divisors (see below), whose sum is σ = 138994680824064. Its totient is φ = 65461197180384.

The previous prime is 101211020100989. The next prime is 101211020101069. The reversal of 101211020101011 is 110101020112101.

It is not a de Polignac number, because 101211020101011 - 2¹¹ = 101211020098963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101211020101091) 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, 1313810175 + ... + 1313887208.

It is an arithmetic number, because the mean of its divisors is an integer number (8687167551504).

Almost surely, 2^{101211020101011} is an apocalyptic number.

101211020101011 is a deficient number, since it is larger than the sum of its proper divisors (37783660723053).

101211020101011 is a wasteful number, since it uses less digits than its factorization.

101211020101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627697770.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 101211020101011 its reverse (110101020112101), we get a palindrome (211312040213112).

The spelling of 101211020101011 in words is "one hundred one trillion, two hundred eleven billion, twenty million, one hundred one thousand, eleven".