35542132121 has 16 divisors (see below), whose sum is σ = 37498368000. Its totient is φ = 33642378000.

The previous prime is 35542132117. The next prime is 35542132133. The reversal of 35542132121 is 12123124553.

35542132121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 35542132121 - 2² = 35542132117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35542132721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315146 + ... + 412796.

It is an arithmetic number, because the mean of its divisors is an integer number (2343648000).

Almost surely, 2^35542132121 is an apocalyptic number.

35542132121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

35542132121 is a deficient number, since it is larger than the sum of its proper divisors (1956235879).

35542132121 is a wasteful number, since it uses less digits than its factorization.

35542132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97940.

The product of its digits is 7200, while the sum is 29.

Adding to 35542132121 its reverse (12123124553), we get a palindrome (47665256674).

The spelling of 35542132121 in words is "thirty-five billion, five hundred forty-two million, one hundred thirty-two thousand, one hundred twenty-one".