1220110112002 has 4 divisors (see below), whose sum is σ = 1830165168006. Its totient is φ = 610055056000.

The previous prime is 1220110111937. The next prime is 1220110112017. The reversal of 1220110112002 is 2002110110221.

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., 1051525142721 + 168584969281 = 1025439^2 + 410591^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305027527999 + ... + 305027528002.

Almost surely, 2^{1220110112002} is an apocalyptic number.

1220110112002 is a deficient number, since it is larger than the sum of its proper divisors (610055056004).

1220110112002 is an equidigital number, since it uses as much as digits as its factorization.

1220110112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610055056003.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1220110112002 its reverse (2002110110221), we get a palindrome (3222220222223).

The spelling of 1220110112002 in words is "one trillion, two hundred twenty billion, one hundred ten million, one hundred twelve thousand, two".