2111211020001 has 16 divisors (see below), whose sum is σ = 2827477065600. Its totient is φ = 1401216410880.

The previous prime is 2111211019979. The next prime is 2111211020041. The reversal of 2111211020001 is 1000201121112.

It is not a de Polignac number, because 2111211020001 - 2⁵ = 2111211019969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111211020041) 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, 358441 + ... + 2085881.

It is an arithmetic number, because the mean of its divisors is an integer number (176717316600).

Almost surely, 2^{2111211020001} is an apocalyptic number.

It is an amenable number.

2111211020001 is a deficient number, since it is larger than the sum of its proper divisors (716266045599).

2111211020001 is a wasteful number, since it uses less digits than its factorization.

2111211020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729256.

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

Adding to 2111211020001 its reverse (1000201121112), we get a palindrome (3111412141113).

The spelling of 2111211020001 in words is "two trillion, one hundred eleven billion, two hundred eleven million, twenty thousand, one".