102011012111210 has 16 divisors (see below), whose sum is σ = 187084346740776. Its totient is φ = 40034510413248.

The previous prime is 102011012111119. The next prime is 102011012111219. The reversal of 102011012111210 is 12111210110201.

It can be written as a sum of positive squares in 4 ways, for example, as 56670437712529 + 45340574398681 = 7527977^2 + 6733541^2 .

It is not an unprimeable number, because it can be changed into a prime (102011012111219) 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, 96236803349 + ... + 96236804408.

Almost surely, 2^{102011012111210} is an apocalyptic number.

102011012111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102011012111210 is a deficient number, since it is larger than the sum of its proper divisors (85073334629566).

102011012111210 is a wasteful number, since it uses less digits than its factorization.

102011012111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192473607817.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 102011012111210 its reverse (12111210110201), we get a palindrome (114122222221411).

The spelling of 102011012111210 in words is "one hundred two trillion, eleven billion, twelve million, one hundred eleven thousand, two hundred ten".