101211120021121 has 8 divisors (see below), whose sum is σ = 113973812575488. Its totient is φ = 89042041074000.

The previous prime is 101211120021101. The next prime is 101211120021161. The reversal of 101211120021121 is 121120021112101.

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

It is a cyclic number.

It is not a de Polignac number, because 101211120021121 - 2¹⁹ = 101211119496833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101211120021095 and 101211120021104.

It is not an unprimeable number, because it can be changed into a prime (101211120021101) 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, 148403401450 + ... + 148403402131.

It is an arithmetic number, because the mean of its divisors is an integer number (14246726571936).

Almost surely, 2^{101211120021121} is an apocalyptic number.

101211120021121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101211120021121 is a deficient number, since it is larger than the sum of its proper divisors (12762692554367).

101211120021121 is a wasteful number, since it uses less digits than its factorization.

101211120021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296806803623.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 101211120021121 its reverse (121120021112101), we get a palindrome (222331141133222).

The spelling of 101211120021121 in words is "one hundred one trillion, two hundred eleven billion, one hundred twenty million, twenty-one thousand, one hundred twenty-one".