211122010210220 has 12 divisors (see below), whose sum is σ = 443356221441504. Its totient is φ = 84448804084080.

The previous prime is 211122010210141. The next prime is 211122010210327. The reversal of 211122010210220 is 22012010221112.

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, 5278050255236 + ... + 5278050255275.

It is an arithmetic number, because the mean of its divisors is an integer number (36946351786792).

Almost surely, 2^{211122010210220} is an apocalyptic number.

211122010210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211122010210220 is an abundant number, since it is smaller than the sum of its proper divisors (232234211231284).

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

211122010210220 is a wasteful number, since it uses less digits than its factorization.

211122010210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10556100510520 (or 10556100510518 counting only the distinct ones).

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

Adding to 211122010210220 its reverse (22012010221112), we get a palindrome (233134020431332).

The spelling of 211122010210220 in words is "two hundred eleven trillion, one hundred twenty-two billion, ten million, two hundred ten thousand, two hundred twenty".