2002222121010 has 32 divisors (see below), whose sum is σ = 4805381315520. Its totient is φ = 533920540608.

The previous prime is 2002222120981. The next prime is 2002222121071. The reversal of 2002222121010 is 101212222002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3379669 + ... + 3927671.

It is an arithmetic number, because the mean of its divisors is an integer number (150168166110).

Almost surely, 2^{2002222121010} is an apocalyptic number.

2002222121010 is an abundant number, since it is smaller than the sum of its proper divisors (2803159194510).

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

2002222121010 is a wasteful number, since it uses less digits than its factorization.

2002222121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669802.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2002222121010 its reverse (101212222002), we get a palindrome (2103434343012).

It can be divided in two parts, 200222 and 2121010, that added together give a palindrome (2321232).

The spelling of 2002222121010 in words is "two trillion, two billion, two hundred twenty-two million, one hundred twenty-one thousand, ten".