1201210100102 has 4 divisors (see below), whose sum is σ = 1801815150156. Its totient is φ = 600605050050.

The previous prime is 1201210100081. The next prime is 1201210100113. The reversal of 1201210100102 is 2010010121021.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300302525024 + ... + 300302525027.

It is an arithmetic number, because the mean of its divisors is an integer number (450453787539).

Almost surely, 2^{1201210100102} is an apocalyptic number.

1201210100102 is a deficient number, since it is larger than the sum of its proper divisors (600605050054).

1201210100102 is an equidigital number, since it uses as much as digits as its factorization.

1201210100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600605050053.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1201210100102 its reverse (2010010121021), we get a palindrome (3211220221123).

The spelling of 1201210100102 in words is "one trillion, two hundred one billion, two hundred ten million, one hundred thousand, one hundred two".