20201210022211 has 4 divisors (see below), whose sum is σ = 20201237818000. Its totient is φ = 20201182226424.

The previous prime is 20201210022043. The next prime is 20201210022239. The reversal of 20201210022211 is 11222001210202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20201210022211 - 2²³ = 20201201633603 is a prime.

It is a super-2 number, since 2×20201210022211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201210022311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12777636 + ... + 14271313.

It is an arithmetic number, because the mean of its divisors is an integer number (5050309454500).

Almost surely, 2^{20201210022211} is an apocalyptic number.

20201210022211 is a deficient number, since it is larger than the sum of its proper divisors (27795789).

20201210022211 is an equidigital number, since it uses as much as digits as its factorization.

20201210022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27795788.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20201210022211 its reverse (11222001210202), we get a palindrome (31423211232413).

The spelling of 20201210022211 in words is "twenty trillion, two hundred one billion, two hundred ten million, twenty-two thousand, two hundred eleven".