1020101021111 has 8 divisors (see below), whose sum is σ = 1022480319744. Its totient is φ = 1017722949880.

The previous prime is 1020101021101. The next prime is 1020101021119. The reversal of 1020101021111 is 1111201010201.

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 1020101021111 - 2³⁰ = 1019027279287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020101021092 and 1020101021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020101021119) 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, 1367936 + ... + 1977738.

It is an arithmetic number, because the mean of its divisors is an integer number (127810039968).

Almost surely, 2^{1020101021111} is an apocalyptic number.

1020101021111 is a deficient number, since it is larger than the sum of its proper divisors (2379298633).

1020101021111 is an equidigital number, since it uses as much as digits as its factorization.

1020101021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613701.

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

Adding to 1020101021111 its reverse (1111201010201), we get a palindrome (2131302031312).

The spelling of 1020101021111 in words is "one trillion, twenty billion, one hundred one million, twenty-one thousand, one hundred eleven".