20211111002 has 8 divisors (see below), whose sum is σ = 30443515200. Its totient is φ = 10063272604.

The previous prime is 20211110929. The next prime is 20211111023. The reversal of 20211111002 is 20011111202.

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, 21140852 + ... + 21141807.

It is an arithmetic number, because the mean of its divisors is an integer number (3805439400).

Almost surely, 2^20211111002 is an apocalyptic number.

20211111002 is a deficient number, since it is larger than the sum of its proper divisors (10232404198).

20211111002 is a wasteful number, since it uses less digits than its factorization.

20211111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42282900.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20211111002 its reverse (20011111202), we get a palindrome (40222222204).

The spelling of 20211111002 in words is "twenty billion, two hundred eleven million, one hundred eleven thousand, two".