2001102201222 has 16 divisors (see below), whose sum is σ = 4002221521200. Its totient is φ = 667031213952.

The previous prime is 2001102201221. The next prime is 2001102201229. The reversal of 2001102201222 is 2221022011002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001102201221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201938 + ... + 2333850.

It is an arithmetic number, because the mean of its divisors is an integer number (250138845075).

Almost surely, 2^{2001102201222} is an apocalyptic number.

2001102201222 is an abundant number, since it is smaller than the sum of its proper divisors (2001119319978).

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

2001102201222 is a wasteful number, since it uses less digits than its factorization.

2001102201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426567.

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

Adding to 2001102201222 its reverse (2221022011002), we get a palindrome (4222124212224).

The spelling of 2001102201222 in words is "two trillion, one billion, one hundred two million, two hundred one thousand, two hundred twenty-two".