1122121220101 has 16 divisors (see below), whose sum is σ = 1286348896000. Its totient is φ = 958875781248.

The previous prime is 1122121220093. The next prime is 1122121220111. The reversal of 1122121220101 is 1010221212211.

It is not a de Polignac number, because 1122121220101 - 2³ = 1122121220093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122121220111) 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, 13343281 + ... + 13427113.

It is an arithmetic number, because the mean of its divisors is an integer number (80396806000).

Almost surely, 2^{1122121220101} is an apocalyptic number.

It is an amenable number.

1122121220101 is a deficient number, since it is larger than the sum of its proper divisors (164227675899).

1122121220101 is an equidigital number, since it uses as much as digits as its factorization.

1122121220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89668.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1122121220101 its reverse (1010221212211), we get a palindrome (2132342432312).

The spelling of 1122121220101 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, one hundred one".