1220222201002 has 48 divisors (see below), whose sum is σ = 2225434744512. Its totient is φ = 499382452800.

The previous prime is 1220222200987. The next prime is 1220222201017. The reversal of 1220222201002 is 2001022220221.

It is an interprime number because it is at equal distance from previous prime (1220222200987) and next prime (1220222201017).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 904273 + ... + 1805035.

It is an arithmetic number, because the mean of its divisors is an integer number (46363223844).

Almost surely, 2^{1220222201002} is an apocalyptic number.

1220222201002 is a deficient number, since it is larger than the sum of its proper divisors (1005212543510).

1220222201002 is a wasteful number, since it uses less digits than its factorization.

1220222201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901403 (or 901396 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1220222201002 its reverse (2001022220221), we get a palindrome (3221244421223).

It can be divided in two parts, 1220 and 222201002, that added together give a palindrome (222202222).

The spelling of 1220222201002 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, two hundred one thousand, two".