101220401553001 has 8 divisors (see below), whose sum is σ = 102259012650624. Its totient is φ = 100183505752560.

The previous prime is 101220401552971. The next prime is 101220401553013. The reversal of 101220401553001 is 100355104022101.

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 101220401553001 - 2¹¹ = 101220401550953 is a prime.

It is a super-2 number, since 2×101220401553001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101220401551001) 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, 428705670 + ... + 428941711.

It is an arithmetic number, because the mean of its divisors is an integer number (12782376581328).

Almost surely, 2^{101220401553001} is an apocalyptic number.

It is an amenable number.

101220401553001 is a deficient number, since it is larger than the sum of its proper divisors (1038611097623).

101220401553001 is a wasteful number, since it uses less digits than its factorization.

101220401553001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857648591.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 101220401553001 its reverse (100355104022101), we get a palindrome (201575505575102).

The spelling of 101220401553001 in words is "one hundred one trillion, two hundred twenty billion, four hundred one million, five hundred fifty-three thousand, one".