212201100212101 has 32 divisors (see below), whose sum is σ = 285590119723776. Its totient is φ = 152269612992000.

The previous prime is 212201100212093. The next prime is 212201100212107. The reversal of 212201100212101 is 101212001102212.

It is not a de Polignac number, because 212201100212101 - 2³ = 212201100212093 is a prime.

It is a super-2 number, since 2×212201100212101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201100212107) 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, 251347120 + ... + 252189961.

It is an arithmetic number, because the mean of its divisors is an integer number (8924691241368).

Almost surely, 2^{212201100212101} is an apocalyptic number.

It is an amenable number.

212201100212101 is a deficient number, since it is larger than the sum of its proper divisors (73389019511675).

212201100212101 is a wasteful number, since it uses less digits than its factorization.

212201100212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503537533.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212201100212101 its reverse (101212001102212), we get a palindrome (313413101314313).

The spelling of 212201100212101 in words is "two hundred twelve trillion, two hundred one billion, one hundred million, two hundred twelve thousand, one hundred one".