1201121000101 has 8 divisors (see below), whose sum is σ = 1312523460864. Its totient is φ = 1090086813120.

The previous prime is 1201121000077. The next prime is 1201121000137. The reversal of 1201121000101 is 1010001211021.

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 1201121000101 - 2⁵ = 1201121000069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201121000141) 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, 92061621 + ... + 92074666.

It is an arithmetic number, because the mean of its divisors is an integer number (164065432608).

Almost surely, 2^{1201121000101} is an apocalyptic number.

1201121000101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1201121000101 is a deficient number, since it is larger than the sum of its proper divisors (111402460763).

1201121000101 is a wasteful number, since it uses less digits than its factorization.

1201121000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184136891.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1201121000101 its reverse (1010001211021), we get a palindrome (2211122211122).

The spelling of 1201121000101 in words is "one trillion, two hundred one billion, one hundred twenty-one million, one hundred one", and thus it is an aban number.