211010021110220 has 12 divisors (see below), whose sum is σ = 443121044331504. Its totient is φ = 84404008444080.

The previous prime is 211010021110177. The next prime is 211010021110241. The reversal of 211010021110220 is 22011120010112.

It is a junction number, because it is equal to n+sod(n) for n = 211010021110195 and 211010021110204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5275250527736 + ... + 5275250527775.

It is an arithmetic number, because the mean of its divisors is an integer number (36926753694292).

Almost surely, 2^{211010021110220} is an apocalyptic number.

211010021110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211010021110220 is an abundant number, since it is smaller than the sum of its proper divisors (232111023221284).

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

211010021110220 is a wasteful number, since it uses less digits than its factorization.

211010021110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10550501055520 (or 10550501055518 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211010021110220 its reverse (22011120010112), we get a palindrome (233021141120332).

It can be divided in two parts, 21101002 and 1110220, that added together give a palindrome (22211222).

The spelling of 211010021110220 in words is "two hundred eleven trillion, ten billion, twenty-one million, one hundred ten thousand, two hundred twenty".