40122011221002 has 24 divisors (see below), whose sum is σ = 87743463795936. Its totient is φ = 13249013050536.

The previous prime is 40122011220983. The next prime is 40122011221021. The reversal of 40122011221002 is 20012211022104.

40122011221002 is a `hidden beast` number, since 401 + 220 + 11 + 22 + 10 + 0 + 2 = 666.

40122011221002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40122011220983) and next prime (40122011221021).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10415888838 + ... + 10415892689.

It is an arithmetic number, because the mean of its divisors is an integer number (3655977658164).

Almost surely, 2^{40122011221002} is an apocalyptic number.

40122011221002 is an abundant number, since it is smaller than the sum of its proper divisors (47621452574934).

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

40122011221002 is a wasteful number, since it uses less digits than its factorization.

40122011221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20831781642 (or 20831781639 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 40122011221002 its reverse (20012211022104), we get a palindrome (60134222243106).

The spelling of 40122011221002 in words is "forty trillion, one hundred twenty-two billion, eleven million, two hundred twenty-one thousand, two".