121111220000102 has 4 divisors (see below), whose sum is σ = 181666830000156. Its totient is φ = 60555610000050.

The previous prime is 121111220000033. The next prime is 121111220000123. The reversal of 121111220000102 is 201000022111121.

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, 30277805000024 + ... + 30277805000027.

It is an arithmetic number, because the mean of its divisors is an integer number (45416707500039).

Almost surely, 2^{121111220000102} is an apocalyptic number.

121111220000102 is a deficient number, since it is larger than the sum of its proper divisors (60555610000054).

121111220000102 is an equidigital number, since it uses as much as digits as its factorization.

121111220000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60555610000053.

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

Adding to 121111220000102 its reverse (201000022111121), we get a palindrome (322111242111223).

The spelling of 121111220000102 in words is "one hundred twenty-one trillion, one hundred eleven billion, two hundred twenty million, one hundred two", and thus it is an aban number.