210100100121222 has 16 divisors (see below), whose sum is σ = 420200915742720. Its totient is φ = 70033247457032.

The previous prime is 210100100121221. The next prime is 210100100121371. The reversal of 210100100121222 is 222121001001012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210100100121221) 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, 25956822 + ... + 33075017.

It is an arithmetic number, because the mean of its divisors is an integer number (26262557233920).

Almost surely, 2^{210100100121222} is an apocalyptic number.

210100100121222 is an abundant number, since it is smaller than the sum of its proper divisors (210100815621498).

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

210100100121222 is a wasteful number, since it uses less digits than its factorization.

210100100121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59625027.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210100100121222 its reverse (222121001001012), we get a palindrome (432221101122234).

The spelling of 210100100121222 in words is "two hundred ten trillion, one hundred billion, one hundred million, one hundred twenty-one thousand, two hundred twenty-two".