120101201021002 has 4 divisors (see below), whose sum is σ = 180151801531506. Its totient is φ = 60050600510500.

The previous prime is 120101201020987. The next prime is 120101201021023. The reversal of 120101201021002 is 200120102101021.

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

It can be written as a sum of positive squares in only one way, i.e., 118690762131841 + 1410438889161 = 10894529^2 + 1187619^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30025300255249 + ... + 30025300255252.

Almost surely, 2^{120101201021002} is an apocalyptic number.

120101201021002 is a deficient number, since it is larger than the sum of its proper divisors (60050600510504).

120101201021002 is an equidigital number, since it uses as much as digits as its factorization.

120101201021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60050600510503.

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

Adding to 120101201021002 its reverse (200120102101021), we get a palindrome (320221303122023).

The spelling of 120101201021002 in words is "one hundred twenty trillion, one hundred one billion, two hundred one million, twenty-one thousand, two".