121220303001011 has 32 divisors (see below), whose sum is σ = 132323412469248. Its totient is φ = 110600367736320.

The previous prime is 121220303000969. The next prime is 121220303001067. The reversal of 121220303001011 is 110100303022121.

It is a cyclic number.

It is not a de Polignac number, because 121220303001011 - 2¹⁸ = 121220302738867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121220303601011) 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, 85924541 + ... + 87323921.

It is an arithmetic number, because the mean of its divisors is an integer number (4135106639664).

Almost surely, 2^{121220303001011} is an apocalyptic number.

121220303001011 is a deficient number, since it is larger than the sum of its proper divisors (11103109468237).

121220303001011 is a wasteful number, since it uses less digits than its factorization.

121220303001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400331.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121220303001011 its reverse (110100303022121), we get a palindrome (231320606023132).

The spelling of 121220303001011 in words is "one hundred twenty-one trillion, two hundred twenty billion, three hundred three million, one thousand, eleven".