20211000222002 has 8 divisors (see below), whose sum is σ = 31361896896300. Its totient is φ = 9757034589904.

The previous prime is 20211000221987. The next prime is 20211000222019. The reversal of 20211000222002 is 20022200011202.

It can be written as a sum of positive squares in 2 ways, for example, as 19933019258881 + 277980963121 = 4464641^2 + 527239^2 .

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, 174232760477 + ... + 174232760592.

Almost surely, 2^{20211000222002} is an apocalyptic number.

20211000222002 is a deficient number, since it is larger than the sum of its proper divisors (11150896674298).

20211000222002 is a wasteful number, since it uses less digits than its factorization.

20211000222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348465521100.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20211000222002 its reverse (20022200011202), we get a palindrome (40233200233204).

The spelling of 20211000222002 in words is "twenty trillion, two hundred eleven billion, two hundred twenty-two thousand, two".