120001021211002 has 4 divisors (see below), whose sum is σ = 180001531816506. Its totient is φ = 60000510605500.

The previous prime is 120001021210927. The next prime is 120001021211003. The reversal of 120001021211002 is 200112120100021.

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., 69911019960961 + 50090001250041 = 8361281^2 + 7077429^2 .

It is not an unprimeable number, because it can be changed into a prime (120001021211003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30000255302749 + ... + 30000255302752.

Almost surely, 2^{120001021211002} is an apocalyptic number.

120001021211002 is a deficient number, since it is larger than the sum of its proper divisors (60000510605504).

120001021211002 is an equidigital number, since it uses as much as digits as its factorization.

120001021211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60000510605503.

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

Adding to 120001021211002 its reverse (200112120100021), we get a palindrome (320113141311023).

The spelling of 120001021211002 in words is "one hundred twenty trillion, one billion, twenty-one million, two hundred eleven thousand, two".