212110022111001 has 48 divisors (see below), whose sum is σ = 332243813781504. Its totient is φ = 120007081308576.

The previous prime is 212110022110991. The next prime is 212110022111101. The reversal of 212110022111001 is 100111220011212.

It is a happy number.

212110022111001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212110022111001 - 2⁹ = 212110022110489 is a prime.

It is a super-2 number, since 2×212110022111001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212110022111101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24975316 + ... + 32372618.

It is an arithmetic number, because the mean of its divisors is an integer number (6921746120448).

Almost surely, 2^{212110022111001} is an apocalyptic number.

212110022111001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212110022111001 is a deficient number, since it is larger than the sum of its proper divisors (120133791670503).

212110022111001 is a wasteful number, since it uses less digits than its factorization.

212110022111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7399250 (or 7399243 counting only the distinct ones).

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

Adding to 212110022111001 its reverse (100111220011212), we get a palindrome (312221242122213).

The spelling of 212110022111001 in words is "two hundred twelve trillion, one hundred ten billion, twenty-two million, one hundred eleven thousand, one".