2001001222102 has 4 divisors (see below), whose sum is σ = 3001501833156. Its totient is φ = 1000500611050.

The previous prime is 2001001222049. The next prime is 2001001222117. The reversal of 2001001222102 is 2012221001002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500250305524 + ... + 500250305527.

It is an arithmetic number, because the mean of its divisors is an integer number (750375458289).

Almost surely, 2^{2001001222102} is an apocalyptic number.

2001001222102 is a deficient number, since it is larger than the sum of its proper divisors (1000500611054).

2001001222102 is a wasteful number, since it uses less digits than its factorization.

2001001222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000500611053.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2001001222102 its reverse (2012221001002), we get a palindrome (4013222223104).

The spelling of 2001001222102 in words is "two trillion, one billion, one million, two hundred twenty-two thousand, one hundred two".