1220210022202 has 12 divisors (see below), whose sum is σ = 1870086484890. Its totient is φ = 597124051256.

The previous prime is 1220210022191. The next prime is 1220210022211. The reversal of 1220210022202 is 2022200120221.

It can be written as a sum of positive squares in only one way, i.e., 857551933681 + 362658088521 = 926041^2 + 602211^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138090877 + ... + 138099712.

Almost surely, 2^{1220210022202} is an apocalyptic number.

1220210022202 is a deficient number, since it is larger than the sum of its proper divisors (649876462688).

1220210022202 is an equidigital number, since it uses as much as digits as its factorization.

1220210022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276190685 (or 276190638 counting only the distinct ones).

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

Adding to 1220210022202 its reverse (2022200120221), we get a palindrome (3242410142423).

The spelling of 1220210022202 in words is "one trillion, two hundred twenty billion, two hundred ten million, twenty-two thousand, two hundred two".