20100212021211 has 8 divisors (see below), whose sum is σ = 30628894508544. Its totient is φ = 11485835440680.

The previous prime is 20100212021191. The next prime is 20100212021243. The reversal of 20100212021211 is 11212021200102.

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

It is not a de Polignac number, because 20100212021211 - 2⁷ = 20100212021083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20100212021711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478576476675 + ... + 478576476716.

It is an arithmetic number, because the mean of its divisors is an integer number (3828611813568).

Almost surely, 2^{20100212021211} is an apocalyptic number.

20100212021211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20100212021211 is a deficient number, since it is larger than the sum of its proper divisors (10528682487333).

20100212021211 is an equidigital number, since it uses as much as digits as its factorization.

20100212021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957152953401.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20100212021211 its reverse (11212021200102), we get a palindrome (31312233221313).

The spelling of 20100212021211 in words is "twenty trillion, one hundred billion, two hundred twelve million, twenty-one thousand, two hundred eleven".