401121202313542 has 8 divisors (see below), whose sum is σ = 601681923094032. Its totient is φ = 200560561282200.

The previous prime is 401121202313539. The next prime is 401121202313603. The reversal of 401121202313542 is 245313202121104.

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

It is a super-2 number, since 2×401121202313542² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5177434 + ... + 28793197.

It is an arithmetic number, because the mean of its divisors is an integer number (75210240386754).

Almost surely, 2^{401121202313542} is an apocalyptic number.

401121202313542 is a deficient number, since it is larger than the sum of its proper divisors (200560720780490).

401121202313542 is a wasteful number, since it uses less digits than its factorization.

401121202313542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39874574.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 401121202313542 its reverse (245313202121104), we get a palindrome (646434404434646).

The spelling of 401121202313542 in words is "four hundred one trillion, one hundred twenty-one billion, two hundred two million, three hundred thirteen thousand, five hundred forty-two".