101021121101 has 4 divisors (see below), whose sum is σ = 101022617472. Its totient is φ = 101019624732.

The previous prime is 101021121073. The next prime is 101021121119. The reversal of 101021121101 is 101121120101.

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 101021121101 - 2¹⁰ = 101021120077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021121161) 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, 641885 + ... + 783618.

It is an arithmetic number, because the mean of its divisors is an integer number (25255654368).

Almost surely, 2^101021121101 is an apocalyptic number.

It is an amenable number.

101021121101 is a deficient number, since it is larger than the sum of its proper divisors (1496371).

101021121101 is an equidigital number, since it uses as much as digits as its factorization.

101021121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496370.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101021121101 its reverse (101121120101), we get a palindrome (202142241202).

The spelling of 101021121101 in words is "one hundred one billion, twenty-one million, one hundred twenty-one thousand, one hundred one".