2001211010102 has 16 divisors (see below), whose sum is σ = 3039952315200. Its totient is φ = 987894722880.

The previous prime is 2001211010101. The next prime is 2001211010107. The reversal of 2001211010102 is 2010101121002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001211010101) 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, 3345224 + ... + 3897812.

It is an arithmetic number, because the mean of its divisors is an integer number (189997019700).

Almost surely, 2^{2001211010102} is an apocalyptic number.

2001211010102 is a deficient number, since it is larger than the sum of its proper divisors (1038741305098).

2001211010102 is a wasteful number, since it uses less digits than its factorization.

2001211010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575591.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2001211010102 its reverse (2010101121002), we get a palindrome (4011312131104).

The spelling of 2001211010102 in words is "two trillion, one billion, two hundred eleven million, ten thousand, one hundred two".