101211543001011 has 32 divisors (see below), whose sum is σ = 139420017792000. Its totient is φ = 65271025965600.

The previous prime is 101211543000991. The next prime is 101211543001013. The reversal of 101211543001011 is 110100345112101.

It is not a de Polignac number, because 101211543001011 - 2¹⁴ = 101211542984627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101211543001013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2431396 + ... + 14433806.

It is an arithmetic number, because the mean of its divisors is an integer number (4356875556000).

Almost surely, 2^{101211543001011} is an apocalyptic number.

101211543001011 is a deficient number, since it is larger than the sum of its proper divisors (38208474790989).

101211543001011 is a wasteful number, since it uses less digits than its factorization.

101211543001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12003087.

The product of its (nonzero) digits is 120, while the sum is 21.

Adding to 101211543001011 its reverse (110100345112101), we get a palindrome (211311888113112).

The spelling of 101211543001011 in words is "one hundred one trillion, two hundred eleven billion, five hundred forty-three million, one thousand, eleven".