2101211012201 has 8 divisors (see below), whose sum is σ = 2401398076800. Its totient is φ = 1801027463328.

The previous prime is 2101211012177. The next prime is 2101211012231. The reversal of 2101211012201 is 1022101121012.

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

It is a cyclic number.

It is not a de Polignac number, because 2101211012201 - 2³⁴ = 2084031143017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101211012231) 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, 558500 + ... + 2124698.

It is an arithmetic number, because the mean of its divisors is an integer number (300174759600).

Almost surely, 2^{2101211012201} is an apocalyptic number.

It is an amenable number.

2101211012201 is a deficient number, since it is larger than the sum of its proper divisors (300187064599).

2101211012201 is a wasteful number, since it uses less digits than its factorization.

2101211012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757863.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2101211012201 its reverse (1022101121012), we get a palindrome (3123312133213).

The spelling of 2101211012201 in words is "two trillion, one hundred one billion, two hundred eleven million, twelve thousand, two hundred one".