2121101001102 has 16 divisors (see below), whose sum is σ = 4289867194320. Its totient is φ = 699089468352.

The previous prime is 2121101001079. The next prime is 2121101001113. The reversal of 2121101001102 is 2011001011212.

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, 1986049093 + ... + 1986050160.

It is an arithmetic number, because the mean of its divisors is an integer number (268116699645).

Almost surely, 2^{2121101001102} is an apocalyptic number.

2121101001102 is an abundant number, since it is smaller than the sum of its proper divisors (2168766193218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121101001102 is a wasteful number, since it uses less digits than its factorization.

2121101001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972099347.

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

Adding to 2121101001102 its reverse (2011001011212), we get a palindrome (4132102012314).

The spelling of 2121101001102 in words is "two trillion, one hundred twenty-one billion, one hundred one million, one thousand, one hundred two".