2100121202211 has 8 divisors (see below), whose sum is σ = 2800198856784. Its totient is φ = 1400062174560.

The previous prime is 2100121202209. The next prime is 2100121202243. The reversal of 2100121202211 is 1122021210012.

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

It is not a de Polignac number, because 2100121202211 - 2¹ = 2100121202209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100121202251) 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, 4391496 + ... + 4846181.

It is an arithmetic number, because the mean of its divisors is an integer number (350024857098).

Almost surely, 2^{2100121202211} is an apocalyptic number.

2100121202211 is a deficient number, since it is larger than the sum of its proper divisors (700077654573).

2100121202211 is an equidigital number, since it uses as much as digits as its factorization.

2100121202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9313461.

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

Adding to 2100121202211 its reverse (1122021210012), we get a palindrome (3222142412223).

The spelling of 2100121202211 in words is "two trillion, one hundred billion, one hundred twenty-one million, two hundred two thousand, two hundred eleven".