111020211201001 has 8 divisors (see below), whose sum is σ = 117077024427680. Its totient is φ = 104984762395968.

The previous prime is 111020211200989. The next prime is 111020211201041. The reversal of 111020211201001 is 100102112020111.

It is a happy number.

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 111020211201001 - 2²¹ = 111020209103849 is a prime.

It is a super-2 number, since 2×111020211201001² (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 (111020211201041) 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, 5341094736 + ... + 5341115521.

It is an arithmetic number, because the mean of its divisors is an integer number (14634628053460).

Almost surely, 2^{111020211201001} is an apocalyptic number.

It is an amenable number.

111020211201001 is a deficient number, since it is larger than the sum of its proper divisors (6056813226679).

111020211201001 is a wasteful number, since it uses less digits than its factorization.

111020211201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10682210823.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111020211201001 its reverse (100102112020111), we get a palindrome (211122323221112).

The spelling of 111020211201001 in words is "one hundred eleven trillion, twenty billion, two hundred eleven million, two hundred one thousand, one".