210010001101220 has 12 divisors (see below), whose sum is σ = 441021002312604. Its totient is φ = 84004000440480.

The previous prime is 210010001101213. The next prime is 210010001101223. The reversal of 210010001101220 is 22101100010012.

It can be written as a sum of positive squares in 2 ways, for example, as 26701526691904 + 183308474409316 = 5167352^2 + 13539146^2 .

It is a super-2 number, since 2×210010001101220² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210010001101223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5250250027511 + ... + 5250250027550.

It is an arithmetic number, because the mean of its divisors is an integer number (36751750192717).

Almost surely, 2^{210010001101220} is an apocalyptic number.

210010001101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210010001101220 is an abundant number, since it is smaller than the sum of its proper divisors (231011001211384).

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

210010001101220 is a wasteful number, since it uses less digits than its factorization.

210010001101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10500500055070 (or 10500500055068 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210010001101220 its reverse (22101100010012), we get a palindrome (232111101111232).

The spelling of 210010001101220 in words is "two hundred ten trillion, ten billion, one million, one hundred one thousand, two hundred twenty".