601102111000021 has 4 divisors (see below), whose sum is σ = 601128165468544. Its totient is φ = 601076056531500.

The previous prime is 601102110999997. The next prime is 601102111000031. The reversal of 601102111000021 is 120000111201106.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 601102111000021 - 2¹³ = 601102110991829 is a prime.

It is a super-2 number, since 2×601102111000021² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 601102110999959 and 601102111000004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601102111000031) 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, 13027199655 + ... + 13027245796.

It is an arithmetic number, because the mean of its divisors is an integer number (150282041367136).

Almost surely, 2^{601102111000021} is an apocalyptic number.

It is an amenable number.

601102111000021 is a deficient number, since it is larger than the sum of its proper divisors (26054468523).

601102111000021 is a wasteful number, since it uses less digits than its factorization.

601102111000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26054468522.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 601102111000021 its reverse (120000111201106), we get a palindrome (721102222201127).

The spelling of 601102111000021 in words is "six hundred one trillion, one hundred two billion, one hundred eleven million, twenty-one", and thus it is an aban number.