202202021021112 has 192 divisors, whose sum is σ = 631738130100480. Its totient is φ = 57229766770176.

The previous prime is 202202021021089. The next prime is 202202021021113. The reversal of 202202021021112 is 211120120202202.

It is a happy number.

202202021021112 is a `hidden beast` number, since 2 + 0 + 220 + 20 + 210 + 211 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202202021021113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1678340908 + ... + 1678461380.

It is an arithmetic number, because the mean of its divisors is an integer number (3290302760940).

Almost surely, 2^{202202021021112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202202021021112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315869065050240).

202202021021112 is an abundant number, since it is smaller than the sum of its proper divisors (429536109079368).

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

202202021021112 is a wasteful number, since it uses less digits than its factorization.

202202021021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151722 (or 151715 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202202021021112 its reverse (211120120202202), we get a palindrome (413322141223314).

The spelling of 202202021021112 in words is "two hundred two trillion, two hundred two billion, twenty-one million, twenty-one thousand, one hundred twelve".