10020000001211 has 4 divisors (see below), whose sum is σ = 10020454424424. Its totient is φ = 10019545578000.

The previous prime is 10020000001139. The next prime is 10020000001217. The reversal of 10020000001211 is 11210000002001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10020000001211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020000001217) 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, 227178530 + ... + 227222631.

It is an arithmetic number, because the mean of its divisors is an integer number (2505113606106).

Almost surely, 2^{10020000001211} is an apocalyptic number.

10020000001211 is a deficient number, since it is larger than the sum of its proper divisors (454423213).

10020000001211 is an equidigital number, since it uses as much as digits as its factorization.

10020000001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454423212.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10020000001211 its reverse (11210000002001), we get a palindrome (21230000003212).

The spelling of 10020000001211 in words is "ten trillion, twenty billion, one thousand, two hundred eleven".