120021121121102 has 4 divisors (see below), whose sum is σ = 180031681681656. Its totient is φ = 60010560560550.

The previous prime is 120021121121093. The next prime is 120021121121129. The reversal of 120021121121102 is 201121121120021.

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, 30005280280274 + ... + 30005280280277.

It is an arithmetic number, because the mean of its divisors is an integer number (45007920420414).

Almost surely, 2^{120021121121102} is an apocalyptic number.

120021121121102 is a deficient number, since it is larger than the sum of its proper divisors (60010560560554).

120021121121102 is an equidigital number, since it uses as much as digits as its factorization.

120021121121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60010560560553.

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

Adding to 120021121121102 its reverse (201121121120021), we get a palindrome (321142242241123).

The spelling of 120021121121102 in words is "one hundred twenty trillion, twenty-one billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred two".