10012020111211 has 16 divisors (see below), whose sum is σ = 10606755639744. Its totient is φ = 9417929647104.

The previous prime is 10012020111161. The next prime is 10012020111239. The reversal of 10012020111211 is 11211102021001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10012020111211 - 2¹¹ = 10012020109163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10012020111191 and 10012020111200.

It is not an unprimeable number, because it can be changed into a prime (10012020111241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292877626 + ... + 292911808.

It is an arithmetic number, because the mean of its divisors is an integer number (662922227484).

Almost surely, 2^{10012020111211} is an apocalyptic number.

10012020111211 is a deficient number, since it is larger than the sum of its proper divisors (594735528533).

10012020111211 is a wasteful number, since it uses less digits than its factorization.

10012020111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43110.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10012020111211 its reverse (11211102021001), we get a palindrome (21223122132212).

The spelling of 10012020111211 in words is "ten trillion, twelve billion, twenty million, one hundred eleven thousand, two hundred eleven".