20211000221195 has 16 divisors (see below), whose sum is σ = 28240923222720. Its totient is φ = 13597481549184.

The previous prime is 20211000221183. The next prime is 20211000221207. The reversal of 20211000221195 is 59112200011202.

It is an interprime number because it is at equal distance from previous prime (20211000221183) and next prime (20211000221207).

It is a cyclic number.

It is not a de Polignac number, because 20211000221195 - 2¹² = 20211000217099 is a prime.

It is a super-2 number, since 2×20211000221195² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5447707100 + ... + 5447710809.

It is an arithmetic number, because the mean of its divisors is an integer number (1765057701420).

Almost surely, 2^{20211000221195} is an apocalyptic number.

20211000221195 is a deficient number, since it is larger than the sum of its proper divisors (8029923001525).

20211000221195 is a wasteful number, since it uses less digits than its factorization.

20211000221195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10895417974.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 20211000221195 its reverse (59112200011202), we get a palindrome (79323200232397).

The spelling of 20211000221195 in words is "twenty trillion, two hundred eleven billion, two hundred twenty-one thousand, one hundred ninety-five".