101201212011 has 16 divisors (see below), whose sum is σ = 136151414784. Its totient is φ = 66859438464.

The previous prime is 101201212009. The next prime is 101201212027. The reversal of 101201212011 is 110212102101.

It is not a de Polignac number, because 101201212011 - 2¹ = 101201212009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101201212051) 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, 2395110 + ... + 2436996.

It is an arithmetic number, because the mean of its divisors is an integer number (8509463424).

Almost surely, 2^101201212011 is an apocalyptic number.

101201212011 is a deficient number, since it is larger than the sum of its proper divisors (34950202773).

101201212011 is a wasteful number, since it uses less digits than its factorization.

101201212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49130.

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

Adding to 101201212011 its reverse (110212102101), we get a palindrome (211413314112).

The spelling of 101201212011 in words is "one hundred one billion, two hundred one million, two hundred twelve thousand, eleven".