1121100021201 has 16 divisors (see below), whose sum is σ = 1556230177664. Its totient is φ = 717238364544.

The previous prime is 1121100021103. The next prime is 1121100021221. The reversal of 1121100021201 is 1021200011211.

It is not a de Polignac number, because 1121100021201 - 2¹¹ = 1121100019153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121100021221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69169981 + ... + 69186186.

It is an arithmetic number, because the mean of its divisors is an integer number (97264386104).

Almost surely, 2^{1121100021201} is an apocalyptic number.

It is an amenable number.

1121100021201 is a deficient number, since it is larger than the sum of its proper divisors (435130156463).

1121100021201 is a wasteful number, since it uses less digits than its factorization.

1121100021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138356280.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1121100021201 its reverse (1021200011211), we get a palindrome (2142300032412).

The spelling of 1121100021201 in words is "one trillion, one hundred twenty-one billion, one hundred million, twenty-one thousand, two hundred one".