1101220121101 has 8 divisors (see below), whose sum is σ = 1101588396480. Its totient is φ = 1100851915968.

The previous prime is 1101220121081. The next prime is 1101220121107. The reversal of 1101220121101 is 1011210221011.

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 1101220121101 - 2²³ = 1101211732493 is a prime.

It is a super-2 number, since 2×1101220121101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101220121107) 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, 60308565 + ... + 60326821.

It is an arithmetic number, because the mean of its divisors is an integer number (137698549560).

Almost surely, 2^{1101220121101} is an apocalyptic number.

It is an amenable number.

1101220121101 is a deficient number, since it is larger than the sum of its proper divisors (368275379).

1101220121101 is a wasteful number, since it uses less digits than its factorization.

1101220121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35123.

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

Adding to 1101220121101 its reverse (1011210221011), we get a palindrome (2112430342112).

The spelling of 1101220121101 in words is "one trillion, one hundred one billion, two hundred twenty million, one hundred twenty-one thousand, one hundred one".