2102100221211 has 8 divisors (see below), whose sum is σ = 2804189891664. Its totient is φ = 1400705349120.

The previous prime is 2102100221203. The next prime is 2102100221219. The reversal of 2102100221211 is 1121220012012.

It is an interprime number because it is at equal distance from previous prime (2102100221203) and next prime (2102100221219).

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

It is not a de Polignac number, because 2102100221211 - 2³ = 2102100221203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102100221219) 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, 173692530 + ... + 173704631.

It is an arithmetic number, because the mean of its divisors is an integer number (350523736458).

Almost surely, 2^{2102100221211} is an apocalyptic number.

2102100221211 is a deficient number, since it is larger than the sum of its proper divisors (702089670453).

2102100221211 is a wasteful number, since it uses less digits than its factorization.

2102100221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347399181.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2102100221211 its reverse (1121220012012), we get a palindrome (3223320233223).

The spelling of 2102100221211 in words is "two trillion, one hundred two billion, one hundred million, two hundred twenty-one thousand, two hundred eleven".