210211122210220 has 24 divisors (see below), whose sum is σ = 460636546061664. Its totient is φ = 80428603280256.

The previous prime is 210211122210217. The next prime is 210211122210223. The reversal of 210211122210220 is 22012221112012.

It is an interprime number because it is at equal distance from previous prime (210211122210217) and next prime (210211122210223).

It is not an unprimeable number, because it can be changed into a prime (210211122210223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228490349769 + ... + 228490350688.

It is an arithmetic number, because the mean of its divisors is an integer number (19193189419236).

Almost surely, 2^{210211122210220} is an apocalyptic number.

210211122210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210211122210220 is an abundant number, since it is smaller than the sum of its proper divisors (250425423851444).

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

210211122210220 is a wasteful number, since it uses less digits than its factorization.

210211122210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456980700489 (or 456980700487 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210211122210220 its reverse (22012221112012), we get a palindrome (232223343322232).

The spelling of 210211122210220 in words is "two hundred ten trillion, two hundred eleven billion, one hundred twenty-two million, two hundred ten thousand, two hundred twenty".