102001020211210 has 16 divisors (see below), whose sum is σ = 183607145101800. Its totient is φ = 40799228368576.

The previous prime is 102001020211199. The next prime is 102001020211219. The reversal of 102001020211210 is 12112020100201.

It can be written as a sum of positive squares in 4 ways, for example, as 41829707472921 + 60171312738289 = 6467589^2 + 7757017^2 .

It is not an unprimeable number, because it can be changed into a prime (102001020211219) 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, 147101305 + ... + 147793084.

Almost surely, 2^{102001020211210} is an apocalyptic number.

102001020211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102001020211210 is a deficient number, since it is larger than the sum of its proper divisors (81606124890590).

102001020211210 is a wasteful number, since it uses less digits than its factorization.

102001020211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294928985.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102001020211210 its reverse (12112020100201), we get a palindrome (114113040311411).

The spelling of 102001020211210 in words is "one hundred two trillion, one billion, twenty million, two hundred eleven thousand, two hundred ten".