2212121012202 has 96 divisors (see below), whose sum is σ = 4907741529600. Its totient is φ = 719890258464.

The previous prime is 2212121012201. The next prime is 2212121012239. The reversal of 2212121012202 is 2022101212122.

It is a happy number.

2212121012202 is a `hidden beast` number, since 221 + 21 + 210 + 12 + 202 = 666.

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 (2212121012201) 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, 223283733 + ... + 223293639.

It is an arithmetic number, because the mean of its divisors is an integer number (51122307600).

Almost surely, 2^{2212121012202} is an apocalyptic number.

2212121012202 is an abundant number, since it is smaller than the sum of its proper divisors (2695620517398).

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

2212121012202 is a wasteful number, since it uses less digits than its factorization.

2212121012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11400 (or 11397 counting only the distinct ones).

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

Adding to 2212121012202 its reverse (2022101212122), we get a palindrome (4234222224324).

The spelling of 2212121012202 in words is "two trillion, two hundred twelve billion, one hundred twenty-one million, twelve thousand, two hundred two".