2101000202123 has 8 divisors (see below), whose sum is σ = 2105706470400. Its totient is φ = 2096294820840.

The previous prime is 2101000202113. The next prime is 2101000202173. The reversal of 2101000202123 is 3212020001012.

It is a happy number.

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 2101000202123 - 2⁴ = 2101000202107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101000202098 and 2101000202107.

It is not an unprimeable number, because it can be changed into a prime (2101000202113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4640018 + ... + 5072648.

It is an arithmetic number, because the mean of its divisors is an integer number (263213308800).

Almost surely, 2^{2101000202123} is an apocalyptic number.

2101000202123 is a deficient number, since it is larger than the sum of its proper divisors (4706268277).

2101000202123 is a wasteful number, since it uses less digits than its factorization.

2101000202123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443497.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2101000202123 its reverse (3212020001012), we get a palindrome (5313020203135).

The spelling of 2101000202123 in words is "two trillion, one hundred one billion, two hundred two thousand, one hundred twenty-three".