121211011202102 has 8 divisors (see below), whose sum is σ = 181818426304512. Its totient is φ = 60604869100600.

The previous prime is 121211011202101. The next prime is 121211011202111. The reversal of 121211011202102 is 201202110112121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121211011202101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318012149 + ... + 318393072.

It is an arithmetic number, because the mean of its divisors is an integer number (22727303288064).

Almost surely, 2^{121211011202102} is an apocalyptic number.

121211011202102 is a deficient number, since it is larger than the sum of its proper divisors (60607415102410).

121211011202102 is an equidigital number, since it uses as much as digits as its factorization.

121211011202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636500454.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121211011202102 its reverse (201202110112121), we get a palindrome (322413121314223).

The spelling of 121211011202102 in words is "one hundred twenty-one trillion, two hundred eleven billion, eleven million, two hundred two thousand, one hundred two".