211021000120022 has 4 divisors (see below), whose sum is σ = 316531500180036. Its totient is φ = 105510500060010.

The previous prime is 211021000120001. The next prime is 211021000120031. The reversal of 211021000120022 is 220021000120112.

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 = 211021000119979 and 211021000120006.

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, 52755250030004 + ... + 52755250030007.

It is an arithmetic number, because the mean of its divisors is an integer number (79132875045009).

Almost surely, 2^{211021000120022} is an apocalyptic number.

211021000120022 is a deficient number, since it is larger than the sum of its proper divisors (105510500060014).

211021000120022 is a wasteful number, since it uses less digits than its factorization.

211021000120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105510500060013.

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

Adding to 211021000120022 its reverse (220021000120112), we get a palindrome (431042000240134).

The spelling of 211021000120022 in words is "two hundred eleven trillion, twenty-one billion, one hundred twenty thousand, twenty-two".