212201101211001 has 8 divisors (see below), whose sum is σ = 323354058988224. Its totient is φ = 121257772120560.

The previous prime is 212201101210999. The next prime is 212201101211009. The reversal of 212201101211001 is 100112101102212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212201101211001 - 2¹ = 212201101210999 is a prime.

It is a super-2 number, since 2×212201101211001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212201101211009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5052407171670 + ... + 5052407171711.

It is an arithmetic number, because the mean of its divisors is an integer number (40419257373528).

Almost surely, 2^{212201101211001} is an apocalyptic number.

212201101211001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212201101211001 is a deficient number, since it is larger than the sum of its proper divisors (111152957777223).

212201101211001 is a wasteful number, since it uses less digits than its factorization.

212201101211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10104814343391.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212201101211001 its reverse (100112101102212), we get a palindrome (312313202313213).

The spelling of 212201101211001 in words is "two hundred twelve trillion, two hundred one billion, one hundred one million, two hundred eleven thousand, one".