2121122120094 has 16 divisors (see below), whose sum is σ = 4713604711440. Its totient is φ = 707040706680.

The previous prime is 2121122120093. The next prime is 2121122120101. The reversal of 2121122120094 is 4900212211212.

2121122120094 is a `hidden beast` number, since 21 + 211 + 221 + 200 + 9 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121122120093) 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, 19640019577 + ... + 19640019684.

It is an arithmetic number, because the mean of its divisors is an integer number (294600294465).

Almost surely, 2^{2121122120094} is an apocalyptic number.

2121122120094 is an abundant number, since it is smaller than the sum of its proper divisors (2592482591346).

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

2121122120094 is a wasteful number, since it uses less digits than its factorization.

2121122120094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39280039272 (or 39280039266 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 2121122120094 in words is "two trillion, one hundred twenty-one billion, one hundred twenty-two million, one hundred twenty thousand, ninety-four".