101121212011121 has 8 divisors (see below), whose sum is σ = 101459338776000. Its totient is φ = 100783281780720.

The previous prime is 101121212011111. The next prime is 101121212011151. The reversal of 101121212011121 is 121110212121101.

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 101121212011121 - 2²² = 101121207816817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101121212011121.

It is not an unprimeable number, because it can be changed into a prime (101121212011111) 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, 48102821 + ... + 50160978.

It is an arithmetic number, because the mean of its divisors is an integer number (12682417347000).

Almost surely, 2^{101121212011121} is an apocalyptic number.

It is an amenable number.

101121212011121 is a deficient number, since it is larger than the sum of its proper divisors (338126764879).

101121212011121 is an equidigital number, since it uses as much as digits as its factorization.

101121212011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98267239.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 101121212011121 its reverse (121110212121101), we get a palindrome (222231424132222).

The spelling of 101121212011121 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred twelve million, eleven thousand, one hundred twenty-one".