1201022220203 has 16 divisors (see below), whose sum is σ = 1347411996000. Its totient is φ = 1063263832320.

The previous prime is 1201022220187. The next prime is 1201022220221. The reversal of 1201022220203 is 3020222201021.

It is a cyclic number.

It is not a de Polignac number, because 1201022220203 - 2⁴ = 1201022220187 is a prime.

It is a super-2 number, since 2×1201022220203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201022229203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19064528 + ... + 19127421.

It is an arithmetic number, because the mean of its divisors is an integer number (84213249750).

Almost surely, 2^{1201022220203} is an apocalyptic number.

1201022220203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1201022220203 is a deficient number, since it is larger than the sum of its proper divisors (146389775797).

1201022220203 is a wasteful number, since it uses less digits than its factorization.

1201022220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38192062.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1201022220203 its reverse (3020222201021), we get a palindrome (4221244421224).

The spelling of 1201022220203 in words is "one trillion, two hundred one billion, twenty-two million, two hundred twenty thousand, two hundred three".