1010211020111 has 4 divisors (see below), whose sum is σ = 1010313061224. Its totient is φ = 1010108979000.

The previous prime is 1010211020081. The next prime is 1010211020123. The reversal of 1010211020111 is 1110201120101.

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 1010211020111 - 2³⁸ = 735333113167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010211020092 and 1010211020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010211023111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51005705 + ... + 51025506.

It is an arithmetic number, because the mean of its divisors is an integer number (252578265306).

Almost surely, 2^{1010211020111} is an apocalyptic number.

1010211020111 is a deficient number, since it is larger than the sum of its proper divisors (102041113).

1010211020111 is an equidigital number, since it uses as much as digits as its factorization.

1010211020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102041112.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1010211020111 its reverse (1110201120101), we get a palindrome (2120412140212).

The spelling of 1010211020111 in words is "one trillion, ten billion, two hundred eleven million, twenty thousand, one hundred eleven".