1220201103031 has 8 divisors (see below), whose sum is σ = 1240456217328. Its totient is φ = 1199954112000.

The previous prime is 1220201103001. The next prime is 1220201103061. The reversal of 1220201103031 is 1303011020221.

It is an interprime number because it is at equal distance from previous prime (1220201103001) and next prime (1220201103061).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220201103031 - 2⁵ = 1220201102999 is a prime.

It is a super-2 number, since 2×1220201103031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220201102996 and 1220201103014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220201103001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1727530 + ... + 2329111.

It is an arithmetic number, because the mean of its divisors is an integer number (155057027166).

Almost surely, 2^{1220201103031} is an apocalyptic number.

1220201103031 is a deficient number, since it is larger than the sum of its proper divisors (20255114297).

1220201103031 is an equidigital number, since it uses as much as digits as its factorization.

1220201103031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061633.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1220201103031 its reverse (1303011020221), we get a palindrome (2523212123252).

The spelling of 1220201103031 in words is "one trillion, two hundred twenty billion, two hundred one million, one hundred three thousand, thirty-one".