1020111020211 has 16 divisors (see below), whose sum is σ = 1373697809568. Its totient is φ = 673299936000.

The previous prime is 1020111020153. The next prime is 1020111020221. The reversal of 1020111020211 is 1120201110201.

It is not a de Polignac number, because 1020111020211 - 2⁹ = 1020111019699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020111020221) 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, 5416255 + ... + 5601431.

It is an arithmetic number, because the mean of its divisors is an integer number (85856113098).

Almost surely, 2^{1020111020211} is an apocalyptic number.

1020111020211 is a deficient number, since it is larger than the sum of its proper divisors (353586789357).

1020111020211 is a wasteful number, since it uses less digits than its factorization.

1020111020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203462.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1020111020211 its reverse (1120201110201), we get a palindrome (2140312130412).

The spelling of 1020111020211 in words is "one trillion, twenty billion, one hundred eleven million, twenty thousand, two hundred eleven".