221211121000094 has 4 divisors (see below), whose sum is σ = 331816681500144. Its totient is φ = 110605560500046.

The previous prime is 221211121000021. The next prime is 221211121000099. The reversal of 221211121000094 is 490000121112122.

221211121000094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221211121000099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55302780250022 + ... + 55302780250025.

It is an arithmetic number, because the mean of its divisors is an integer number (82954170375036).

Almost surely, 2^{221211121000094} is an apocalyptic number.

221211121000094 is a deficient number, since it is larger than the sum of its proper divisors (110605560500050).

221211121000094 is a wasteful number, since it uses less digits than its factorization.

221211121000094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110605560500049.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 221211121000094 in words is "two hundred twenty-one trillion, two hundred eleven billion, one hundred twenty-one million, ninety-four", and thus it is an aban number.