121020222122102 has 4 divisors (see below), whose sum is σ = 181530333183156. Its totient is φ = 60510111061050.

The previous prime is 121020222122069. The next prime is 121020222122119. The reversal of 121020222122102 is 201221222020121.

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, 30255055530524 + ... + 30255055530527.

It is an arithmetic number, because the mean of its divisors is an integer number (45382583295789).

Almost surely, 2^{121020222122102} is an apocalyptic number.

121020222122102 is a deficient number, since it is larger than the sum of its proper divisors (60510111061054).

121020222122102 is an equidigital number, since it uses as much as digits as its factorization.

121020222122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60510111061053.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121020222122102 its reverse (201221222020121), we get a palindrome (322241444142223).

The spelling of 121020222122102 in words is "one hundred twenty-one trillion, twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred two".