2100121211210 has 16 divisors (see below), whose sum is σ = 4123874378592. Its totient is φ = 763680440400.

The previous prime is 2100121211087. The next prime is 2100121211233. The reversal of 2100121211210 is 121121210012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9546005396 + ... + 9546005615.

It is an arithmetic number, because the mean of its divisors is an integer number (257742148662).

Almost surely, 2^{2100121211210} is an apocalyptic number.

2100121211210 is a deficient number, since it is larger than the sum of its proper divisors (2023753167382).

2100121211210 is a wasteful number, since it uses less digits than its factorization.

2100121211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19092011029.

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

Adding to 2100121211210 its reverse (121121210012), we get a palindrome (2221242421222).

The spelling of 2100121211210 in words is "two trillion, one hundred billion, one hundred twenty-one million, two hundred eleven thousand, two hundred ten".