1020111112011 has 8 divisors (see below), whose sum is σ = 1379305165824. Its totient is φ = 670495566440.

The previous prime is 1020111112001. The next prime is 1020111112021. The reversal of 1020111112011 is 1102111110201.

It is an interprime number because it is at equal distance from previous prime (1020111112001) and next prime (1020111112021).

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 1020111112011 - 2¹⁸ = 1020110849867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020111112001) 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, 2394626811 + ... + 2394627236.

It is an arithmetic number, because the mean of its divisors is an integer number (172413145728).

Almost surely, 2^{1020111112011} is an apocalyptic number.

1020111112011 is a deficient number, since it is larger than the sum of its proper divisors (359194053813).

1020111112011 is an equidigital number, since it uses as much as digits as its factorization.

1020111112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789254121.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1020111112011 its reverse (1102111110201), we get a palindrome (2122222222212).

The spelling of 1020111112011 in words is "one trillion, twenty billion, one hundred eleven million, one hundred twelve thousand, eleven".