940121220022121 has 8 divisors (see below), whose sum is σ = 940164646291200. Its totient is φ = 940077794688448.

The previous prime is 940121220022073. The next prime is 940121220022147. The reversal of 940121220022121 is 121220022121049.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-940121220022121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (940121220022021) 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, 2671480640 + ... + 2671832526.

It is an arithmetic number, because the mean of its divisors is an integer number (117520580786400).

Almost surely, 2^{940121220022121} is an apocalyptic number.

It is an amenable number.

940121220022121 is a deficient number, since it is larger than the sum of its proper divisors (43426269079).

940121220022121 is a wasteful number, since it uses less digits than its factorization.

940121220022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467703.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 940121220022121 in words is "nine hundred forty trillion, one hundred twenty-one billion, two hundred twenty million, twenty-two thousand, one hundred twenty-one".