101220221001201 has 16 divisors (see below), whose sum is σ = 136303323174144. Its totient is φ = 66809389723664.

The previous prime is 101220221001173. The next prime is 101220221001209. The reversal of 101220221001201 is 102100122022101.

It is a cyclic number.

It is not a de Polignac number, because 101220221001201 - 2¹³ = 101220220993009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101220221001209) 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, 94044315 + ... + 95114528.

It is an arithmetic number, because the mean of its divisors is an integer number (8518957698384).

Almost surely, 2^{101220221001201} is an apocalyptic number.

It is an amenable number.

101220221001201 is a deficient number, since it is larger than the sum of its proper divisors (35083102172943).

101220221001201 is a wasteful number, since it uses less digits than its factorization.

101220221001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189160620.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101220221001201 its reverse (102100122022101), we get a palindrome (203320343023302).

The spelling of 101220221001201 in words is "one hundred one trillion, two hundred twenty billion, two hundred twenty-one million, one thousand, two hundred one".