2121055301051 has 16 divisors (see below), whose sum is σ = 2238791270400. Its totient is φ = 2003930768448.

The previous prime is 2121055301023. The next prime is 2121055301083. The reversal of 2121055301051 is 1501035501212.

It is a cyclic number.

It is not a de Polignac number, because 2121055301051 - 2²² = 2121051106747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2121055301051.

It is not an unprimeable number, because it can be changed into a prime (2121055301021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94640735 + ... + 94663143.

It is an arithmetic number, because the mean of its divisors is an integer number (139924454400).

Almost surely, 2^{2121055301051} is an apocalyptic number.

2121055301051 is a deficient number, since it is larger than the sum of its proper divisors (117735969349).

2121055301051 is a wasteful number, since it uses less digits than its factorization.

2121055301051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35818.

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 2121055301051 in words is "two trillion, one hundred twenty-one billion, fifty-five million, three hundred one thousand, fifty-one".