210111022002252 has 48 divisors (see below), whose sum is σ = 565532470460160. Its totient is φ = 59470676452032.

The previous prime is 210111022002197. The next prime is 210111022002253. The reversal of 210111022002252 is 252200220111012.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (210111022002253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11688410127 + ... + 11688428102.

It is an arithmetic number, because the mean of its divisors is an integer number (11781926467920).

Almost surely, 2^{210111022002252} is an apocalyptic number.

It is an amenable number.

210111022002252 is an abundant number, since it is smaller than the sum of its proper divisors (355421448457908).

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

210111022002252 is a wasteful number, since it uses less digits than its factorization.

210111022002252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23376838350 (or 23376838348 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 210111022002252 its reverse (252200220111012), we get a palindrome (462311242113264).

The spelling of 210111022002252 in words is "two hundred ten trillion, one hundred eleven billion, twenty-two million, two thousand, two hundred fifty-two".