3900210121102 has 32 divisors (see below), whose sum is σ = 6016200469632. Its totient is φ = 1895410366464.

The previous prime is 3900210121091. The next prime is 3900210121109. The reversal of 3900210121102 is 2011210120093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3900210121109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14125038 + ... + 14398510.

It is an arithmetic number, because the mean of its divisors is an integer number (188006264676).

Almost surely, 2^{3900210121102} is an apocalyptic number.

3900210121102 is a deficient number, since it is larger than the sum of its proper divisors (2115990348530).

3900210121102 is a wasteful number, since it uses less digits than its factorization.

3900210121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274572.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 3900210121102 its reverse (2011210120093), we get a palindrome (5911420241195).

The spelling of 3900210121102 in words is "three trillion, nine hundred billion, two hundred ten million, one hundred twenty-one thousand, one hundred two".