1101202021001 has 4 divisors (see below), whose sum is σ = 1101323161104. Its totient is φ = 1101080880900.

The previous prime is 1101202020979. The next prime is 1101202021013. The reversal of 1101202021001 is 1001202021011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1101202021001 - 2¹⁰ = 1101202019977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101202021081) 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, 60556415 + ... + 60574596.

It is an arithmetic number, because the mean of its divisors is an integer number (275330790276).

Almost surely, 2^{1101202021001} is an apocalyptic number.

It is an amenable number.

1101202021001 is a deficient number, since it is larger than the sum of its proper divisors (121140103).

1101202021001 is an equidigital number, since it uses as much as digits as its factorization.

1101202021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121140102.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1101202021001 its reverse (1001202021011), we get a palindrome (2102404042012).

The spelling of 1101202021001 in words is "one trillion, one hundred one billion, two hundred two million, twenty-one thousand, one".