121020220111102 has 64 divisors (see below), whose sum is σ = 202675445945280. Its totient is φ = 53841108271104.

The previous prime is 121020220111099. The next prime is 121020220111103. The reversal of 121020220111102 is 201111022020121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121020220111103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36700774 + ... + 39862102.

It is an arithmetic number, because the mean of its divisors is an integer number (3166803842895).

Almost surely, 2^{121020220111102} is an apocalyptic number.

121020220111102 is a deficient number, since it is larger than the sum of its proper divisors (81655225834178).

121020220111102 is a wasteful number, since it uses less digits than its factorization.

121020220111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161837.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121020220111102 its reverse (201111022020121), we get a palindrome (322131242131223).

The spelling of 121020220111102 in words is "one hundred twenty-one trillion, twenty billion, two hundred twenty million, one hundred eleven thousand, one hundred two".