211022011002220 has 48 divisors (see below), whose sum is σ = 483433646669568. Its totient is φ = 76735053984960.

The previous prime is 211022011002203. The next prime is 211022011002277. The reversal of 211022011002220 is 22200110220112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211022011002194 and 211022011002203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87417097 + ... + 89798623.

It is an arithmetic number, because the mean of its divisors is an integer number (10071534305616).

Almost surely, 2^{211022011002220} is an apocalyptic number.

211022011002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211022011002220 is an abundant number, since it is smaller than the sum of its proper divisors (272411635667348).

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

211022011002220 is a wasteful number, since it uses less digits than its factorization.

211022011002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784310 (or 2784308 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211022011002220 its reverse (22200110220112), we get a palindrome (233222121222332).

The spelling of 211022011002220 in words is "two hundred eleven trillion, twenty-two billion, eleven million, two thousand, two hundred twenty".