102021011201210 has 16 divisors (see below), whose sum is σ = 189970158789000. Its totient is φ = 39401218118976.

The previous prime is 102021011201203. The next prime is 102021011201233. The reversal of 102021011201210 is 12102110120201.

It can be written as a sum of positive squares in 4 ways, for example, as 64440322765729 + 37580688435481 = 8027473^2 + 6130309^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175898294885 + ... + 175898295464.

Almost surely, 2^{102021011201210} is an apocalyptic number.

102021011201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102021011201210 is a deficient number, since it is larger than the sum of its proper divisors (87949147587790).

102021011201210 is a wasteful number, since it uses less digits than its factorization.

102021011201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351796590385.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102021011201210 its reverse (12102110120201), we get a palindrome (114123121321411).

The spelling of 102021011201210 in words is "one hundred two trillion, twenty-one billion, eleven million, two hundred one thousand, two hundred ten".