212011120101 has 64 divisors (see below), whose sum is σ = 333761181696. Its totient is φ = 118397664000.

The previous prime is 212011120099. The next prime is 212011120129. The reversal of 212011120101 is 101021110212.

It is not a de Polignac number, because 212011120101 - 2¹ = 212011120099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011120141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2799010 + ... + 2873756.

It is an arithmetic number, because the mean of its divisors is an integer number (5215018464).

Almost surely, 2^212011120101 is an apocalyptic number.

It is an amenable number.

212011120101 is a deficient number, since it is larger than the sum of its proper divisors (121750061595).

212011120101 is a wasteful number, since it uses less digits than its factorization.

212011120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74922.

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

Adding to 212011120101 its reverse (101021110212), we get a palindrome (313032230313).

The spelling of 212011120101 in words is "two hundred twelve billion, eleven million, one hundred twenty thousand, one hundred one".