211020213223122 has 16 divisors (see below), whose sum is σ = 422055593360352. Its totient is φ = 70337543255360.

The previous prime is 211020213223097. The next prime is 211020213223189. The reversal of 211020213223122 is 221322312020112.

It is a junction number, because it is equal to n+sod(n) for n = 211020213223092 and 211020213223101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631773879 + ... + 632107802.

It is an arithmetic number, because the mean of its divisors is an integer number (26378474585022).

Almost surely, 2^{211020213223122} is an apocalyptic number.

211020213223122 is an abundant number, since it is smaller than the sum of its proper divisors (211035380137230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211020213223122 is a wasteful number, since it uses less digits than its factorization.

211020213223122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263909513.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 211020213223122 its reverse (221322312020112), we get a palindrome (432342525243234).

The spelling of 211020213223122 in words is "two hundred eleven trillion, twenty billion, two hundred thirteen million, two hundred twenty-three thousand, one hundred twenty-two".