211002012112220 has 96 divisors (see below), whose sum is σ = 507664744452096. Its totient is φ = 72163597766400.

The previous prime is 211002012112187. The next prime is 211002012112253. The reversal of 211002012112220 is 22211210200112.

It is an interprime number because it is at equal distance from previous prime (211002012112187) and next prime (211002012112253).

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, 536334185 + ... + 536727455.

It is an arithmetic number, because the mean of its divisors is an integer number (5288174421376).

Almost surely, 2^{211002012112220} is an apocalyptic number.

211002012112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211002012112220 is an abundant number, since it is smaller than the sum of its proper divisors (296662732339876).

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

211002012112220 is a wasteful number, since it uses less digits than its factorization.

211002012112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402811 (or 402809 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211002012112220 its reverse (22211210200112), we get a palindrome (233213222312332).

The spelling of 211002012112220 in words is "two hundred eleven trillion, two billion, twelve million, one hundred twelve thousand, two hundred twenty".