2001222101102 has 32 divisors (see below), whose sum is σ = 3459775576320. Its totient is φ = 850416958080.

The previous prime is 2001222101101. The next prime is 2001222101143. The reversal of 2001222101102 is 2011012221002.

It is a super-2 number, since 2×2001222101102² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001222101101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281099 + ... + 2020262.

It is an arithmetic number, because the mean of its divisors is an integer number (108117986760).

Almost surely, 2^{2001222101102} is an apocalyptic number.

2001222101102 is a deficient number, since it is larger than the sum of its proper divisors (1458553475218).

2001222101102 is a wasteful number, since it uses less digits than its factorization.

2001222101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301896.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2001222101102 its reverse (2011012221002), we get a palindrome (4012234322104).

The spelling of 2001222101102 in words is "two trillion, one billion, two hundred twenty-two million, one hundred one thousand, one hundred two".