3891220001102 has 64 divisors (see below), whose sum is σ = 7124826009600. Its totient is φ = 1557883031040.

The previous prime is 3891220001101. The next prime is 3891220001159. The reversal of 3891220001102 is 2011000221983.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3891220001101) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 63012413 + ... + 63074135.

It is an arithmetic number, because the mean of its divisors is an integer number (111325406400).

Almost surely, 2^{3891220001102} is an apocalyptic number.

3891220001102 is a deficient number, since it is larger than the sum of its proper divisors (3233606008498).

3891220001102 is a wasteful number, since it uses less digits than its factorization.

3891220001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66801.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 3891220001102 in words is "three trillion, eight hundred ninety-one billion, two hundred twenty million, one thousand, one hundred two".