2100121001102 has 16 divisors (see below), whose sum is σ = 3170324314080. Its totient is φ = 1043346559008.

The previous prime is 2100121001093. The next prime is 2100121001117. The reversal of 2100121001102 is 2011001210012.

It is a congruent number.

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, 23061503 + ... + 23152389.

It is an arithmetic number, because the mean of its divisors is an integer number (198145269630).

Almost surely, 2^{2100121001102} is an apocalyptic number.

2100121001102 is a deficient number, since it is larger than the sum of its proper divisors (1070203312978).

2100121001102 is a wasteful number, since it uses less digits than its factorization.

2100121001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164635.

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

Adding to 2100121001102 its reverse (2011001210012), we get a palindrome (4111122211114).

The spelling of 2100121001102 in words is "two trillion, one hundred billion, one hundred twenty-one million, one thousand, one hundred two".