1121010001011 has 12 divisors (see below), whose sum is σ = 1704459650920. Its totient is φ = 708006316320.

The previous prime is 1121010000997. The next prime is 1121010001043. The reversal of 1121010001011 is 1101000101211.

It is not a de Polignac number, because 1121010001011 - 2⁷ = 1121010000883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1121010000984 and 1121010001002.

It is not an unprimeable number, because it can be changed into a prime (1121010001061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3277806850 + ... + 3277807191.

Almost surely, 2^{1121010001011} is an apocalyptic number.

1121010001011 is a deficient number, since it is larger than the sum of its proper divisors (583449649909).

1121010001011 is a wasteful number, since it uses less digits than its factorization.

1121010001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6555614066 (or 6555614063 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1121010001011 its reverse (1101000101211), we get a palindrome (2222010102222).

The spelling of 1121010001011 in words is "one trillion, one hundred twenty-one billion, ten million, one thousand, eleven".