211020021002 has 8 divisors (see below), whose sum is σ = 361748607456. Its totient is φ = 90437151852.

The previous prime is 211020020999. The next prime is 211020021011. The reversal of 211020021002 is 200120020112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7536429308 + ... + 7536429335.

It is an arithmetic number, because the mean of its divisors is an integer number (45218575932).

Almost surely, 2^211020021002 is an apocalyptic number.

211020021002 is a deficient number, since it is larger than the sum of its proper divisors (150728586454).

211020021002 is a wasteful number, since it uses less digits than its factorization.

211020021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15072858652.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 211020021002 its reverse (200120020112), we get a palindrome (411140041114).

The spelling of 211020021002 in words is "two hundred eleven billion, twenty million, twenty-one thousand, two".