210211121130 has 128 divisors (see below), whose sum is σ = 515430881280. Its totient is φ = 54857606400.

The previous prime is 210211121059. The next prime is 210211121137. The reversal of 210211121130 is 31121112012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (210211121137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 196642236 + ... + 196643304.

It is an arithmetic number, because the mean of its divisors is an integer number (4026803760).

Almost surely, 2^210211121130 is an apocalyptic number.

210211121130 is an abundant number, since it is smaller than the sum of its proper divisors (305219760150).

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

210211121130 is a wasteful number, since it uses less digits than its factorization.

210211121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 210211121130 its reverse (31121112012), we get a palindrome (241332233142).

The spelling of 210211121130 in words is "two hundred ten billion, two hundred eleven million, one hundred twenty-one thousand, one hundred thirty".