120211010011221 has 32 divisors (see below), whose sum is σ = 175186303746048. Its totient is φ = 72992512101120.

The previous prime is 120211010011219. The next prime is 120211010011237. The reversal of 120211010011221 is 122110010112021.

It is a happy number.

It is not a de Polignac number, because 120211010011221 - 2¹ = 120211010011219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120211010011221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120211010011271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143236000 + ... + 144072806.

It is an arithmetic number, because the mean of its divisors is an integer number (5474571992064).

Almost surely, 2^{120211010011221} is an apocalyptic number.

It is an amenable number.

120211010011221 is a deficient number, since it is larger than the sum of its proper divisors (54975293734827).

120211010011221 is a wasteful number, since it uses less digits than its factorization.

120211010011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927721.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120211010011221 its reverse (122110010112021), we get a palindrome (242321020123242).

The spelling of 120211010011221 in words is "one hundred twenty trillion, two hundred eleven billion, ten million, eleven thousand, two hundred twenty-one".