2102012010121 has 8 divisors (see below), whose sum is σ = 2308846144320. Its totient is φ = 1904798068272.

The previous prime is 2102012010103. The next prime is 2102012010139. The reversal of 2102012010121 is 1210102102012.

It is an interprime number because it is at equal distance from previous prime (2102012010103) and next prime (2102012010139).

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 2102012010121 - 2¹¹ = 2102012008073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102012010221) 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, 2405047630 + ... + 2405048503.

It is an arithmetic number, because the mean of its divisors is an integer number (288605768040).

Almost surely, 2^{2102012010121} is an apocalyptic number.

It is an amenable number.

2102012010121 is a deficient number, since it is larger than the sum of its proper divisors (206834134199).

2102012010121 is a wasteful number, since it uses less digits than its factorization.

2102012010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4810096175.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2102012010121 its reverse (1210102102012), we get a palindrome (3312114112133).

The spelling of 2102012010121 in words is "two trillion, one hundred two billion, twelve million, ten thousand, one hundred twenty-one".