1220002202001 has 32 divisors (see below), whose sum is σ = 1789162421760. Its totient is φ = 733317206400.

The previous prime is 1220002201997. The next prime is 1220002202051. The reversal of 1220002202001 is 1002022000221.

It is not a de Polignac number, because 1220002202001 - 2² = 1220002201997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220002202051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4317021 + ... + 4590933.

It is an arithmetic number, because the mean of its divisors is an integer number (55911325680).

Almost surely, 2^{1220002202001} is an apocalyptic number.

1220002202001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1220002202001 is a deficient number, since it is larger than the sum of its proper divisors (569160219759).

1220002202001 is a wasteful number, since it uses less digits than its factorization.

1220002202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275037.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1220002202001 its reverse (1002022000221), we get a palindrome (2222024202222).

The spelling of 1220002202001 in words is "one trillion, two hundred twenty billion, two million, two hundred two thousand, one".