2100121101201 has 8 divisors (see below), whose sum is σ = 2800168172640. Its totient is φ = 1400077381952.

The previous prime is 2100121101181. The next prime is 2100121101229. The reversal of 2100121101201 is 1021011210012.

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 2100121101201 - 2⁷ = 2100121101073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100121121201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1927966 + ... + 2813768.

It is an arithmetic number, because the mean of its divisors is an integer number (350021021580).

Almost surely, 2^{2100121101201} is an apocalyptic number.

It is an amenable number.

2100121101201 is a deficient number, since it is larger than the sum of its proper divisors (700047071439).

2100121101201 is an equidigital number, since it uses as much as digits as its factorization.

2100121101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676095.

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

Adding to 2100121101201 its reverse (1021011210012), we get a palindrome (3121132311213).

The spelling of 2100121101201 in words is "two trillion, one hundred billion, one hundred twenty-one million, one hundred one thousand, two hundred one".