211022032220120 has 128 divisors (see below), whose sum is σ = 521411973396480. Its totient is φ = 76224386880000.

The previous prime is 211022032220101. The next prime is 211022032220137. The reversal of 211022032220120 is 21022230220112.

It is a super-2 number, since 2×211022032220120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 211022032220092 and 211022032220101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3411197990 + ... + 3411259850.

It is an arithmetic number, because the mean of its divisors is an integer number (4073531042160).

Almost surely, 2^{211022032220120} is an apocalyptic number.

211022032220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211022032220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260705986698240).

211022032220120 is an abundant number, since it is smaller than the sum of its proper divisors (310389941176360).

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

211022032220120 is a wasteful number, since it uses less digits than its factorization.

211022032220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113377 (or 113373 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 211022032220120 its reverse (21022230220112), we get a palindrome (232044262440232).

The spelling of 211022032220120 in words is "two hundred eleven trillion, twenty-two billion, thirty-two million, two hundred twenty thousand, one hundred twenty".