212100211000022 has 4 divisors (see below), whose sum is σ = 318150316500036. Its totient is φ = 106050105500010.

The previous prime is 212100210999953. The next prime is 212100211000037. The reversal of 212100211000022 is 220000112001212.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 212100210999970 and 212100211000006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53025052750004 + ... + 53025052750007.

It is an arithmetic number, because the mean of its divisors is an integer number (79537579125009).

Almost surely, 2^{212100211000022} is an apocalyptic number.

212100211000022 is a deficient number, since it is larger than the sum of its proper divisors (106050105500014).

212100211000022 is a wasteful number, since it uses less digits than its factorization.

212100211000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106050105500013.

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

Adding to 212100211000022 its reverse (220000112001212), we get a palindrome (432100323001234).

The spelling of 212100211000022 in words is "two hundred twelve trillion, one hundred billion, two hundred eleven million, twenty-two", and thus it is an aban number.