1101121021101 has 32 divisors (see below), whose sum is σ = 1506711697920. Its totient is φ = 714908867904.

The previous prime is 1101121021097. The next prime is 1101121021123. The reversal of 1101121021101 is 1011201211011.

It is not a de Polignac number, because 1101121021101 - 2² = 1101121021097 is a prime.

It is a super-2 number, since 2×1101121021101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101121020101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62459050 + ... + 62476676.

It is an arithmetic number, because the mean of its divisors is an integer number (47084740560).

Almost surely, 2^{1101121021101} is an apocalyptic number.

It is an amenable number.

1101121021101 is a deficient number, since it is larger than the sum of its proper divisors (405590676819).

1101121021101 is a wasteful number, since it uses less digits than its factorization.

1101121021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19065.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1101121021101 its reverse (1011201211011), we get a palindrome (2112322232112).

The spelling of 1101121021101 in words is "one trillion, one hundred one billion, one hundred twenty-one million, twenty-one thousand, one hundred one".