1020354501111 has 8 divisors (see below), whose sum is σ = 1484152001664. Its totient is φ = 618396667320.

The previous prime is 1020354501091. The next prime is 1020354501143. The reversal of 1020354501111 is 1111054530201.

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

It is not a de Polignac number, because 1020354501111 - 2⁵ = 1020354501079 is a prime.

It is a super-2 number, since 2×1020354501111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020354501211) 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, 15459916651 + ... + 15459916716.

It is an arithmetic number, because the mean of its divisors is an integer number (185519000208).

Almost surely, 2^{1020354501111} is an apocalyptic number.

1020354501111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1020354501111 is a deficient number, since it is larger than the sum of its proper divisors (463797500553).

1020354501111 is a wasteful number, since it uses less digits than its factorization.

1020354501111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30919833381.

The product of its (nonzero) digits is 600, while the sum is 24.

The spelling of 1020354501111 in words is "one trillion, twenty billion, three hundred fifty-four million, five hundred one thousand, one hundred eleven".