202122010116 has 144 divisors (see below), whose sum is σ = 555547452096. Its totient is φ = 61592078592.

The previous prime is 202122010087. The next prime is 202122010117. The reversal of 202122010116 is 611010221202.

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

It is not an unprimeable number, because it can be changed into a prime (202122010117) 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, 22346691 + ... + 22355733.

Almost surely, 2^202122010116 is an apocalyptic number.

202122010116 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202122010116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277773726048).

202122010116 is an abundant number, since it is smaller than the sum of its proper divisors (353425441980).

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

202122010116 is a wasteful number, since it uses less digits than its factorization.

202122010116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9522 (or 9517 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 202122010116 its reverse (611010221202), we get a palindrome (813132231318).

The spelling of 202122010116 in words is "two hundred two billion, one hundred twenty-two million, ten thousand, one hundred sixteen".