2222021212002 has 48 divisors (see below), whose sum is σ = 4999557955392. Its totient is φ = 739654811280.

The previous prime is 2222021211911. The next prime is 2222021212009. The reversal of 2222021212002 is 2002121202222.

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 (2222021212009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2791149 + ... + 3497792.

It is an arithmetic number, because the mean of its divisors is an integer number (104157457404).

Almost surely, 2^{2222021212002} is an apocalyptic number.

2222021212002 is an abundant number, since it is smaller than the sum of its proper divisors (2777536743390).

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

2222021212002 is an equidigital number, since it uses as much as digits as its factorization.

2222021212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6289685 (or 6289673 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2222021212002 its reverse (2002121202222), we get a palindrome (4224142414224).

The spelling of 2222021212002 in words is "two trillion, two hundred twenty-two billion, twenty-one million, two hundred twelve thousand, two".