1201021022201 has 16 divisors (see below), whose sum is σ = 1612559695488. Its totient is φ = 863871264000.

The previous prime is 1201021022129. The next prime is 1201021022207. The reversal of 1201021022201 is 1022201201021.

It is a cyclic number.

It is not a de Polignac number, because 1201021022201 - 2²² = 1201016827897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201021022207) 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, 599909600 + ... + 599911601.

It is an arithmetic number, because the mean of its divisors is an integer number (100784980968).

Almost surely, 2^{1201021022201} is an apocalyptic number.

1201021022201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1201021022201 is a deficient number, since it is larger than the sum of its proper divisors (411538673287).

1201021022201 is a wasteful number, since it uses less digits than its factorization.

1201021022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199821232.

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

Adding to 1201021022201 its reverse (1022201201021), we get a palindrome (2223222223222).

The spelling of 1201021022201 in words is "one trillion, two hundred one billion, twenty-one million, twenty-two thousand, two hundred one".