2001011211102 has 16 divisors (see below), whose sum is σ = 4002053248512. Its totient is φ = 666998599320.

The previous prime is 2001011211053. The next prime is 2001011211119. The reversal of 2001011211102 is 2011121101002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392974 + ... + 2038737.

It is an arithmetic number, because the mean of its divisors is an integer number (250128328032).

Almost surely, 2^{2001011211102} is an apocalyptic number.

2001011211102 is an abundant number, since it is smaller than the sum of its proper divisors (2001042037410).

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

2001011211102 is a wasteful number, since it uses less digits than its factorization.

2001011211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568863.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2001011211102 its reverse (2011121101002), we get a palindrome (4012132312104).

The spelling of 2001011211102 in words is "two trillion, one billion, eleven million, two hundred eleven thousand, one hundred two".