120121213102 has 64 divisors (see below), whose sum is σ = 205651353600. Its totient is φ = 52127712000.

The previous prime is 120121213081. The next prime is 120121213111. The reversal of 120121213102 is 201312121021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17763402 + ... + 17770162.

It is an arithmetic number, because the mean of its divisors is an integer number (3213302400).

Almost surely, 2^120121213102 is an apocalyptic number.

120121213102 is a deficient number, since it is larger than the sum of its proper divisors (85530140498).

120121213102 is a wasteful number, since it uses less digits than its factorization.

120121213102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7153.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 120121213102 its reverse (201312121021), we get a palindrome (321433334123).

The spelling of 120121213102 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred thirteen thousand, one hundred two".