39820111110102 has 16 divisors (see below), whose sum is σ = 81142867923120. Its totient is φ = 13022929419552.

The previous prime is 39820111110061. The next prime is 39820111110107. The reversal of 39820111110102 is 20101111102893.

It is a self number, because there is not a number n which added to its sum of digits gives 39820111110102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39820111110107) 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, 62610237277 + ... + 62610237912.

It is an arithmetic number, because the mean of its divisors is an integer number (5071429245195).

Almost surely, 2^{39820111110102} is an apocalyptic number.

39820111110102 is an abundant number, since it is smaller than the sum of its proper divisors (41322756813018).

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

39820111110102 is a wasteful number, since it uses less digits than its factorization.

39820111110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125220475247.

The product of its (nonzero) digits is 864, while the sum is 30.

Adding to 39820111110102 its reverse (20101111102893), we get a palindrome (59921222212995).

The spelling of 39820111110102 in words is "thirty-nine trillion, eight hundred twenty billion, one hundred eleven million, one hundred ten thousand, one hundred two".