210100021122 has 8 divisors (see below), whose sum is σ = 420200042256. Its totient is φ = 70033340372.

The previous prime is 210100021091. The next prime is 210100021133. The reversal of 210100021122 is 221120001012.

It is a sphenic number, since it is the product of 3 distinct primes.

210100021122 is an admirable number.

It is a super-2 number, since 2×210100021122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210100021098 and 210100021107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17508335088 + ... + 17508335099.

It is an arithmetic number, because the mean of its divisors is an integer number (52525005282).

Almost surely, 2^210100021122 is an apocalyptic number.

210100021122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

210100021122 is a wasteful number, since it uses less digits than its factorization.

210100021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35016670192.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210100021122 its reverse (221120001012), we get a palindrome (431220022134).

The spelling of 210100021122 in words is "two hundred ten billion, one hundred million, twenty-one thousand, one hundred twenty-two".