120021002101102 has 4 divisors (see below), whose sum is σ = 180031503151656. Its totient is φ = 60010501050550.

The previous prime is 120021002101061. The next prime is 120021002101109. The reversal of 120021002101102 is 201101200120021.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×120021002101102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021002101109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30005250525274 + ... + 30005250525277.

It is an arithmetic number, because the mean of its divisors is an integer number (45007875787914).

Almost surely, 2^{120021002101102} is an apocalyptic number.

120021002101102 is a deficient number, since it is larger than the sum of its proper divisors (60010501050554).

120021002101102 is an equidigital number, since it uses as much as digits as its factorization.

120021002101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60010501050553.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120021002101102 its reverse (201101200120021), we get a palindrome (321122202221123).

The spelling of 120021002101102 in words is "one hundred twenty trillion, twenty-one billion, two million, one hundred one thousand, one hundred two".