210010100121122 has 64 divisors (see below), whose sum is σ = 366044180302080. Its totient is φ = 88507876276224.

The previous prime is 210010100121121. The next prime is 210010100121139. The reversal of 210010100121122 is 221121001010012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 210010100121097 and 210010100121106.

It is not an unprimeable number, because it can be changed into a prime (210010100121121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1009205678 + ... + 1009413750.

It is an arithmetic number, because the mean of its divisors is an integer number (5719440317220).

Almost surely, 2^{210010100121122} is an apocalyptic number.

210010100121122 is a deficient number, since it is larger than the sum of its proper divisors (156034080180958).

210010100121122 is a wasteful number, since it uses less digits than its factorization.

210010100121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212187.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210010100121122 its reverse (221121001010012), we get a palindrome (431131101131134).

The spelling of 210010100121122 in words is "two hundred ten trillion, ten billion, one hundred million, one hundred twenty-one thousand, one hundred twenty-two".