4000001001102 has 64 divisors (see below), whose sum is σ = 8905169894400. Its totient is φ = 1330894108800.

The previous prime is 4000001001091. The next prime is 4000001001103. The reversal of 4000001001102 is 2011001000004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000001001103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66055963 + ... + 66116489.

It is an arithmetic number, because the mean of its divisors is an integer number (139143279600).

Almost surely, 2^{4000001001102} is an apocalyptic number.

4000001001102 is an abundant number, since it is smaller than the sum of its proper divisors (4905168893298).

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

4000001001102 is a wasteful number, since it uses less digits than its factorization.

4000001001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62758 (or 62752 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 4000001001102 its reverse (2011001000004), we get a palindrome (6011002001106).

The spelling of 4000001001102 in words is "four trillion, one million, one thousand, one hundred two".