120101221122211 has 16 divisors (see below), whose sum is σ = 145087202073600. Its totient is φ = 97117745836608.

The previous prime is 120101221122167. The next prime is 120101221122227. The reversal of 120101221122211 is 112221122101021.

It is a happy number.

It is not a de Polignac number, because 120101221122211 - 2²¹ = 120101219025059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120101221122251) 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, 1889124490 + ... + 1889188063.

It is an arithmetic number, because the mean of its divisors is an integer number (9067950129600).

Almost surely, 2^{120101221122211} is an apocalyptic number.

120101221122211 is a deficient number, since it is larger than the sum of its proper divisors (24985980951389).

120101221122211 is a wasteful number, since it uses less digits than its factorization.

120101221122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778312818.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120101221122211 its reverse (112221122101021), we get a palindrome (232322343223232).

The spelling of 120101221122211 in words is "one hundred twenty trillion, one hundred one billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred eleven".