1120220219978 has 4 divisors (see below), whose sum is σ = 1680330329970. Its totient is φ = 560110109988.

The previous prime is 1120220219977. The next prime is 1120220219983. The reversal of 1120220219978 is 8799120220211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1117644352969 + 2575867009 = 1057187^2 + 50753^2 .

It is not an unprimeable number, because it can be changed into a prime (1120220219977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280055054993 + ... + 280055054996.

Almost surely, 2^{1120220219978} is an apocalyptic number.

1120220219978 is a deficient number, since it is larger than the sum of its proper divisors (560110109992).

1120220219978 is an equidigital number, since it uses as much as digits as its factorization.

1120220219978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560110109991.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 1120220219978 in words is "one trillion, one hundred twenty billion, two hundred twenty million, two hundred nineteen thousand, nine hundred seventy-eight".