101121406356 has 12 divisors (see below), whose sum is σ = 235949948192. Its totient is φ = 33707135448.

The previous prime is 101121406327. The next prime is 101121406369. The reversal of 101121406356 is 653604121101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4213391920 + ... + 4213391943.

Almost surely, 2^101121406356 is an apocalyptic number.

It is an amenable number.

101121406356 is an abundant number, since it is smaller than the sum of its proper divisors (134828541836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101121406356 is a wasteful number, since it uses less digits than its factorization.

101121406356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8426783870 (or 8426783868 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 101121406356 its reverse (653604121101), we get a palindrome (754725527457).

The spelling of 101121406356 in words is "one hundred one billion, one hundred twenty-one million, four hundred six thousand, three hundred fifty-six".