2102121001101 has 8 divisors (see below), whose sum is σ = 3057630547104. Its totient is φ = 1274012727920.

The previous prime is 2102121001051. The next prime is 2102121001111. The reversal of 2102121001101 is 1011001212012.

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 2102121001101 - 2²⁹ = 2101584130189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102121001111) 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, 31850318166 + ... + 31850318231.

It is an arithmetic number, because the mean of its divisors is an integer number (382203818388).

Almost surely, 2^{2102121001101} is an apocalyptic number.

It is an amenable number.

2102121001101 is a deficient number, since it is larger than the sum of its proper divisors (955509546003).

2102121001101 is a wasteful number, since it uses less digits than its factorization.

2102121001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63700636411.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2102121001101 its reverse (1011001212012), we get a palindrome (3113122213113).

The spelling of 2102121001101 in words is "two trillion, one hundred two billion, one hundred twenty-one million, one thousand, one hundred one".