101201021121 has 8 divisors (see below), whose sum is σ = 138581578624. Its totient is φ = 65643905520.

The previous prime is 101201021101. The next prime is 101201021147. The reversal of 101201021121 is 121120102101.

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

It is not a de Polignac number, because 101201021121 - 2²² = 101196826817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101201021097 and 101201021106.

It is not an unprimeable number, because it can be changed into a prime (101201021101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455860345 + ... + 455860566.

It is an arithmetic number, because the mean of its divisors is an integer number (17322697328).

Almost surely, 2^101201021121 is an apocalyptic number.

It is an amenable number.

101201021121 is a deficient number, since it is larger than the sum of its proper divisors (37380557503).

101201021121 is an equidigital number, since it uses as much as digits as its factorization.

101201021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911720951.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101201021121 its reverse (121120102101), we get a palindrome (222321123222).

The spelling of 101201021121 in words is "one hundred one billion, two hundred one million, twenty-one thousand, one hundred twenty-one".