2100121102010 has 32 divisors (see below), whose sum is σ = 3810514655232. Its totient is φ = 833317692480.

The previous prime is 2100121101997. The next prime is 2100121102099. The reversal of 2100121102010 is 102011210012.

It is a junction number, because it is equal to n+sod(n) for n = 2100121101982 and 2100121102000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9300404 + ... + 9523536.

It is an arithmetic number, because the mean of its divisors is an integer number (119078582976).

Almost surely, 2^{2100121102010} is an apocalyptic number.

2100121102010 is a deficient number, since it is larger than the sum of its proper divisors (1710393553222).

2100121102010 is a wasteful number, since it uses less digits than its factorization.

2100121102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230678.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2100121102010 its reverse (102011210012), we get a palindrome (2202132312022).

The spelling of 2100121102010 in words is "two trillion, one hundred billion, one hundred twenty-one million, one hundred two thousand, ten".