980220001221121 has 64 divisors (see below), whose sum is σ = 1080559949414400. Its totient is φ = 885695137113600.

The previous prime is 980220001221103. The next prime is 980220001221137. The reversal of 980220001221121 is 121122100022089.

It is a cyclic number.

It is not a de Polignac number, because 980220001221121 - 2³⁷ = 980082562267649 is a prime.

It is a super-2 number, since 2×980220001221121² (a number of 31 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980220001221191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20617522476 + ... + 20617570018.

It is an arithmetic number, because the mean of its divisors is an integer number (16883749209600).

Almost surely, 2^{980220001221121} is an apocalyptic number.

It is an amenable number.

980220001221121 is a deficient number, since it is larger than the sum of its proper divisors (100339948193279).

980220001221121 is a wasteful number, since it uses less digits than its factorization.

980220001221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48950.

The product of its (nonzero) digits is 2304, while the sum is 31.

The spelling of 980220001221121 in words is "nine hundred eighty trillion, two hundred twenty billion, one million, two hundred twenty-one thousand, one hundred twenty-one".