102101101121 has 4 divisors (see below), whose sum is σ = 102282453552. Its totient is φ = 101919748692.

The previous prime is 102101101111. The next prime is 102101101139. The reversal of 102101101121 is 121101101201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121101101201 = 31151 ⋅3887551.

It is a cyclic number.

It is not a de Polignac number, because 102101101121 - 2²⁶ = 102033992257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102101101111) 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, 90675371 + ... + 90676496.

It is an arithmetic number, because the mean of its divisors is an integer number (25570613388).

Almost surely, 2^102101101121 is an apocalyptic number.

It is an amenable number.

102101101121 is a deficient number, since it is larger than the sum of its proper divisors (181352431).

102101101121 is an equidigital number, since it uses as much as digits as its factorization.

102101101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181352430.

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

Adding to 102101101121 its reverse (121101101201), we get a palindrome (223202202322).

The spelling of 102101101121 in words is "one hundred two billion, one hundred one million, one hundred one thousand, one hundred twenty-one".