101401021011 has 4 divisors (see below), whose sum is σ = 135201361352. Its totient is φ = 67600680672.

The previous prime is 101401021009. The next prime is 101401021039. The reversal of 101401021011 is 110120104101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 101401021011 - 2¹ = 101401021009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101401001011) 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, 16900170166 + ... + 16900170171.

It is an arithmetic number, because the mean of its divisors is an integer number (33800340338).

Almost surely, 2^101401021011 is an apocalyptic number.

101401021011 is a deficient number, since it is larger than the sum of its proper divisors (33800340341).

101401021011 is an equidigital number, since it uses as much as digits as its factorization.

101401021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33800340340.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101401021011 its reverse (110120104101), we get a palindrome (211521125112).

The spelling of 101401021011 in words is "one hundred one billion, four hundred one million, twenty-one thousand, eleven".