1020110021011 has 8 divisors (see below), whose sum is σ = 1040596230240. Its totient is φ = 999669695232.

The previous prime is 1020110020987. The next prime is 1020110021069. The reversal of 1020110021011 is 1101200110201.

1020110021011 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 1020110021011 - 2²⁷ = 1019975803283 is a prime.

It is a super-2 number, since 2×1020110021011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020110021081) 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, 11425950 + ... + 11514883.

It is an arithmetic number, because the mean of its divisors is an integer number (130074528780).

Almost surely, 2^{1020110021011} is an apocalyptic number.

1020110021011 is a deficient number, since it is larger than the sum of its proper divisors (20486209229).

1020110021011 is an equidigital number, since it uses as much as digits as its factorization.

1020110021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22941725.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1020110021011 its reverse (1101200110201), we get a palindrome (2121310131212).

The spelling of 1020110021011 in words is "one trillion, twenty billion, one hundred ten million, twenty-one thousand, eleven".