1020212111011 has 8 divisors (see below), whose sum is σ = 1035608735504. Its totient is φ = 1004820474240.

The previous prime is 1020212110999. The next prime is 1020212111027. The reversal of 1020212111011 is 1101112120201.

It is a happy number.

1020212111011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1020212111011 - 2¹¹ = 1020212108963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020212110982 and 1020212111000.

It is not an unprimeable number, because it can be changed into a prime (1020212111311) 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, 833730 + ... + 1653943.

It is an arithmetic number, because the mean of its divisors is an integer number (129451091938).

Almost surely, 2^{1020212111011} is an apocalyptic number.

1020212111011 is a deficient number, since it is larger than the sum of its proper divisors (15396624493).

1020212111011 is an equidigital number, since it uses as much as digits as its factorization.

1020212111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493861.

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

Adding to 1020212111011 its reverse (1101112120201), we get a palindrome (2121324231212).

The spelling of 1020212111011 in words is "one trillion, twenty billion, two hundred twelve million, one hundred eleven thousand, eleven".