212021001122 has 8 divisors (see below), whose sum is σ = 363464573376. Its totient is φ = 90866143332.

The previous prime is 212021001109. The next prime is 212021001161. The reversal of 212021001122 is 221100120212.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 15144357223 = 212021001122 / (2 + 1 + 2 + 0 + 2 + 1 + 0 + 0 + 1 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 212021001097 and 212021001106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7572178598 + ... + 7572178625.

It is an arithmetic number, because the mean of its divisors is an integer number (45433071672).

Almost surely, 2^212021001122 is an apocalyptic number.

212021001122 is a deficient number, since it is larger than the sum of its proper divisors (151443572254).

212021001122 is a wasteful number, since it uses less digits than its factorization.

212021001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15144357232.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212021001122 its reverse (221100120212), we get a palindrome (433121121334).

The spelling of 212021001122 in words is "two hundred twelve billion, twenty-one million, one thousand, one hundred twenty-two".