2102101122203 has 4 divisors (see below), whose sum is σ = 2102297756328. Its totient is φ = 2101904488080.

The previous prime is 2102101122193. The next prime is 2102101122221. The reversal of 2102101122203 is 3022211012012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2102101122203 - 2⁸ = 2102101121947 is a prime.

It is a super-2 number, since 2×2102101122203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102101122223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98301026 + ... + 98322407.

It is an arithmetic number, because the mean of its divisors is an integer number (525574439082).

Almost surely, 2^{2102101122203} is an apocalyptic number.

2102101122203 is a deficient number, since it is larger than the sum of its proper divisors (196634125).

2102101122203 is a wasteful number, since it uses less digits than its factorization.

2102101122203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196634124.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2102101122203 its reverse (3022211012012), we get a palindrome (5124312134215).

The spelling of 2102101122203 in words is "two trillion, one hundred two billion, one hundred one million, one hundred twenty-two thousand, two hundred three".