40021114121 has 8 divisors (see below), whose sum is σ = 41105273664. Its totient is φ = 38937086640.

The previous prime is 40021114117. The next prime is 40021114127. The reversal of 40021114121 is 12141112004.

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

It is a cyclic number.

It is not a de Polignac number, because 40021114121 - 2² = 40021114117 is a prime.

It is a super-2 number, since 2×40021114121² (a number of 22 digits) contains 22 as substring.

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 40021114121.

It is not an unprimeable number, because it can be changed into a prime (40021114127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1104116 + ... + 1139786.

It is an arithmetic number, because the mean of its divisors is an integer number (5138159208).

Almost surely, 2^40021114121 is an apocalyptic number.

It is an amenable number.

40021114121 is a deficient number, since it is larger than the sum of its proper divisors (1084159543).

40021114121 is a wasteful number, since it uses less digits than its factorization.

40021114121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66031.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 40021114121 its reverse (12141112004), we get a palindrome (52162226125).

The spelling of 40021114121 in words is "forty billion, twenty-one million, one hundred fourteen thousand, one hundred twenty-one".