1210100221122 has 96 divisors (see below), whose sum is σ = 2683698220800. Its totient is φ = 363492619776.

The previous prime is 1210100221117. The next prime is 1210100221153. The reversal of 1210100221122 is 2211220010121.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7044568 + ... + 7214300.

It is an arithmetic number, because the mean of its divisors is an integer number (27955189800).

Almost surely, 2^{1210100221122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210100221122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341849110400).

1210100221122 is an abundant number, since it is smaller than the sum of its proper divisors (1473597999678).

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

1210100221122 is a wasteful number, since it uses less digits than its factorization.

1210100221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169932 (or 169919 counting only the distinct ones).

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

Adding to 1210100221122 its reverse (2211220010121), we get a palindrome (3421320231243).

The spelling of 1210100221122 in words is "one trillion, two hundred ten billion, one hundred million, two hundred twenty-one thousand, one hundred twenty-two".