202122011122002 has 80 divisors (see below), whose sum is σ = 460698969170880. Its totient is φ = 66214869635808.

The previous prime is 202122011122001. The next prime is 202122011122013. The reversal of 202122011122002 is 200221110221202.

It is a happy number.

202122011122002 is a `hidden beast` number, since 20 + 212 + 201 + 11 + 220 + 0 + 2 = 666.

202122011122002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (202122011122001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 34082763 + ... + 39571185.

It is an arithmetic number, because the mean of its divisors is an integer number (5758737114636).

Almost surely, 2^{202122011122002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202122011122002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230349484585440).

202122011122002 is an abundant number, since it is smaller than the sum of its proper divisors (258576958048878).

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

202122011122002 is a wasteful number, since it uses less digits than its factorization.

202122011122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5492349 (or 5492340 counting only the distinct ones).

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

Adding to 202122011122002 its reverse (200221110221202), we get a palindrome (402343121343204).

The spelling of 202122011122002 in words is "two hundred two trillion, one hundred twenty-two billion, eleven million, one hundred twenty-two thousand, two".