1000122101011 has 8 divisors (see below), whose sum is σ = 1097348896944. Its totient is φ = 903946405920.

The previous prime is 1000122101003. The next prime is 1000122101021. The reversal of 1000122101011 is 1101012210001.

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 1000122101011 - 2³ = 1000122101003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000122101021) 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, 262773216 + ... + 262777021.

It is an arithmetic number, because the mean of its divisors is an integer number (137168612118).

Almost surely, 2^{1000122101011} is an apocalyptic number.

1000122101011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1000122101011 is a deficient number, since it is larger than the sum of its proper divisors (97226795933).

1000122101011 is a wasteful number, since it uses less digits than its factorization.

1000122101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525550421.

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

Adding to 1000122101011 its reverse (1101012210001), we get a palindrome (2101134311012).

The spelling of 1000122101011 in words is "one trillion, one hundred twenty-two million, one hundred one thousand, eleven".