1101203021011 has 4 divisors (see below), whose sum is σ = 1101324161224. Its totient is φ = 1101081880800.

The previous prime is 1101203020987. The next prime is 1101203021059.

It is a happy number.

1101203021011 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1101203021011 - 2⁵ = 1101203020979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101203020982 and 1101203021000.

It is not an unprimeable number, because it can be changed into a prime (1101203027011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60556470 + ... + 60574651.

It is an arithmetic number, because the mean of its divisors is an integer number (275331040306).

Almost surely, 2^{1101203021011} is an apocalyptic number.

1101203021011 is a deficient number, since it is larger than the sum of its proper divisors (121140213).

1101203021011 is an equidigital number, since it uses as much as digits as its factorization.

1101203021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121140212.

The product of its (nonzero) digits is 12, while the sum is 13.

The spelling of 1101203021011 in words is "one trillion, one hundred one billion, two hundred three million, twenty-one thousand, eleven".