2121662050071 has 8 divisors (see below), whose sum is σ = 2860667933040. Its totient is φ = 1398548766912.

The previous prime is 2121662050031. The next prime is 2121662050097. The reversal of 2121662050071 is 1700502661212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2121662050071 - 2⁶ = 2121662050007 is a prime.

It is a super-2 number, since 2×2121662050071² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121662050031) 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, 3973149640 + ... + 3973150173.

It is an arithmetic number, because the mean of its divisors is an integer number (357583491630).

Almost surely, 2^{2121662050071} is an apocalyptic number.

2121662050071 is a deficient number, since it is larger than the sum of its proper divisors (739005882969).

2121662050071 is an equidigital number, since it uses as much as digits as its factorization.

2121662050071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7946299905.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 2121662050071 in words is "two trillion, one hundred twenty-one billion, six hundred sixty-two million, fifty thousand, seventy-one".