1401123021101 has 8 divisors (see below), whose sum is σ = 1428002682264. Its totient is φ = 1374259781440.

The previous prime is 1401123021049. The next prime is 1401123021113. The reversal of 1401123021101 is 1011203211041.

It can be written as a sum of positive squares in 4 ways, for example, as 307636622500 + 1093486398601 = 554650^2 + 1045699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401123021101 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 1401123021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401123021401) 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, 3933026 + ... + 4274451.

It is an arithmetic number, because the mean of its divisors is an integer number (178500335283).

Almost surely, 2^{1401123021101} is an apocalyptic number.

It is an amenable number.

1401123021101 is a deficient number, since it is larger than the sum of its proper divisors (26879661163).

1401123021101 is an equidigital number, since it uses as much as digits as its factorization.

1401123021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8210751.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1401123021101 its reverse (1011203211041), we get a palindrome (2412326232142).

The spelling of 1401123021101 in words is "one trillion, four hundred one billion, one hundred twenty-three million, twenty-one thousand, one hundred one".