2001211120102 has 8 divisors (see below), whose sum is σ = 3159807031800. Its totient is φ = 947942109504.

The previous prime is 2001211120049. The next prime is 2001211120109. The reversal of 2001211120102 is 2010211121002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001211120109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26331725227 + ... + 26331725302.

It is an arithmetic number, because the mean of its divisors is an integer number (394975878975).

Almost surely, 2^{2001211120102} is an apocalyptic number.

2001211120102 is a deficient number, since it is larger than the sum of its proper divisors (1158595911698).

2001211120102 is a wasteful number, since it uses less digits than its factorization.

2001211120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52663450550.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2001211120102 its reverse (2010211121002), we get a palindrome (4011422241104).

The spelling of 2001211120102 in words is "two trillion, one billion, two hundred eleven million, one hundred twenty thousand, one hundred two".