1201102200221 has 16 divisors (see below), whose sum is σ = 1549115245440. Its totient is φ = 903650556480.

The previous prime is 1201102200157. The next prime is 1201102200223. The reversal of 1201102200221 is 1220022011021.

It is not a de Polignac number, because 1201102200221 - 2⁶ = 1201102200157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201102200196 and 1201102200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201102200223) 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, 268941386 + ... + 268945851.

It is an arithmetic number, because the mean of its divisors is an integer number (96819702840).

Almost surely, 2^{1201102200221} is an apocalyptic number.

1201102200221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1201102200221 is a deficient number, since it is larger than the sum of its proper divisors (348013045219).

1201102200221 is a wasteful number, since it uses less digits than its factorization.

1201102200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537887284.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1201102200221 its reverse (1220022011021), we get a palindrome (2421124211242).

The spelling of 1201102200221 in words is "one trillion, two hundred one billion, one hundred two million, two hundred thousand, two hundred twenty-one".