101035521542 has 4 divisors (see below), whose sum is σ = 151553282316. Its totient is φ = 50517760770.

The previous prime is 101035521539. The next prime is 101035521557. The reversal of 101035521542 is 245125530101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245125530101 = 51061 ⋅4800641.

It is a super-2 number, since 2×101035521542² (a number of 23 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 25258880384 + ... + 25258880387.

It is an arithmetic number, because the mean of its divisors is an integer number (37888320579).

Almost surely, 2^101035521542 is an apocalyptic number.

101035521542 is a deficient number, since it is larger than the sum of its proper divisors (50517760774).

101035521542 is an equidigital number, since it uses as much as digits as its factorization.

101035521542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50517760773.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 101035521542 in words is "one hundred one billion, thirty-five million, five hundred twenty-one thousand, five hundred forty-two".