211020311022 has 16 divisors (see below), whose sum is σ = 422068413312. Its totient is φ = 70335471800.

The previous prime is 211020310993. The next prime is 211020311023. The reversal of 211020311022 is 220113020112.

211020311022 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211020311022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211020310992 and 211020311010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020311023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1058604 + ... + 1242047.

It is an arithmetic number, because the mean of its divisors is an integer number (26379275832).

Almost surely, 2^211020311022 is an apocalyptic number.

211020311022 is an abundant number, since it is smaller than the sum of its proper divisors (211048102290).

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

211020311022 is a wasteful number, since it uses less digits than its factorization.

211020311022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315943.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 211020311022 its reverse (220113020112), we get a palindrome (431133331134).

The spelling of 211020311022 in words is "two hundred eleven billion, twenty million, three hundred eleven thousand, twenty-two".