202220111212002 has 96 divisors (see below), whose sum is σ = 474714183565440. Its totient is φ = 61844385081600.

The previous prime is 202220111211997. The next prime is 202220111212003. The reversal of 202220111212002 is 200212111022202.

It is a happy number.

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 (202220111212003) 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, 28756699 + ... + 35091137.

It is an arithmetic number, because the mean of its divisors is an integer number (4944939412140).

Almost surely, 2^{202220111212002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202220111212002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237357091782720).

202220111212002 is an abundant number, since it is smaller than the sum of its proper divisors (272494072353438).

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

202220111212002 is a wasteful number, since it uses less digits than its factorization.

202220111212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6335288 (or 6335285 counting only the distinct ones).

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

Adding to 202220111212002 its reverse (200212111022202), we get a palindrome (402432222234204).

The spelling of 202220111212002 in words is "two hundred two trillion, two hundred twenty billion, one hundred eleven million, two hundred twelve thousand, two".