1101000022021 has 8 divisors (see below), whose sum is σ = 1111776037344. Its totient is φ = 1090274718000.

The previous prime is 1101000021967. The next prime is 1101000022049. The reversal of 1101000022021 is 1202200001011.

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

It is not a de Polignac number, because 1101000022021 - 2²¹ = 1100997924869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101000021989 and 1101000022007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101000022091) 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, 12634191 + ... + 12721036.

It is an arithmetic number, because the mean of its divisors is an integer number (138972004668).

Almost surely, 2^{1101000022021} is an apocalyptic number.

It is an amenable number.

1101000022021 is a deficient number, since it is larger than the sum of its proper divisors (10776015323).

1101000022021 is a wasteful number, since it uses less digits than its factorization.

1101000022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25355651.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1101000022021 its reverse (1202200001011), we get a palindrome (2303200023032).

The spelling of 1101000022021 in words is "one trillion, one hundred one billion, twenty-two thousand, twenty-one".