121120202211201 has 6 divisors (see below), whose sum is σ = 174951403193970. Its totient is φ = 80746801474128.

The previous prime is 121120202211187. The next prime is 121120202211233. The reversal of 121120202211201 is 102112202021121.

121120202211201 is a `hidden beast` number, since 1 + 211 + 20 + 20 + 2 + 211 + 201 = 666.

It can be written as a sum of positive squares in only one way, i.e., 65125287360576 + 55994914850625 = 8070024^2 + 7482975^2 .

It is not a de Polignac number, because 121120202211201 - 2¹³ = 121120202203009 is a prime.

It is a super-3 number, since 3×121120202211201³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121120202011201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6728900122836 + ... + 6728900122853.

It is an arithmetic number, because the mean of its divisors is an integer number (29158567198995).

Almost surely, 2^{121120202211201} is an apocalyptic number.

It is an amenable number.

121120202211201 is a deficient number, since it is larger than the sum of its proper divisors (53831200982769).

121120202211201 is a wasteful number, since it uses less digits than its factorization.

121120202211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13457800245695 (or 13457800245692 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121120202211201 its reverse (102112202021121), we get a palindrome (223232404232322).

The spelling of 121120202211201 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred two million, two hundred eleven thousand, two hundred one".