1210021112202 has 128 divisors (see below), whose sum is σ = 3026433576960. Its totient is φ = 314911618560.

The previous prime is 1210021112171. The next prime is 1210021112203. The reversal of 1210021112202 is 2022111200121.

It is not an unprimeable number, because it can be changed into a prime (1210021112203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1749177 + ... + 2340867.

It is an arithmetic number, because the mean of its divisors is an integer number (23644012320).

Almost surely, 2^{1210021112202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210021112202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1513216788480).

1210021112202 is an abundant number, since it is smaller than the sum of its proper divisors (1816412464758).

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

1210021112202 is a wasteful number, since it uses less digits than its factorization.

1210021112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591828.

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

Adding to 1210021112202 its reverse (2022111200121), we get a palindrome (3232132312323).

The spelling of 1210021112202 in words is "one trillion, two hundred ten billion, twenty-one million, one hundred twelve thousand, two hundred two".