121102102201011 has 32 divisors (see below), whose sum is σ = 165732004972800. Its totient is φ = 78630255550080.

The previous prime is 121102102200973. The next prime is 121102102201051. The reversal of 121102102201011 is 110102201201121.

It is a happy number.

It is not a de Polignac number, because 121102102201011 - 2¹⁹ = 121102101676723 is a prime.

It is a super-2 number, since 2×121102102201011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121102102201051) 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, 38205780 + ... + 41253918.

It is an arithmetic number, because the mean of its divisors is an integer number (5179125155400).

Almost surely, 2^{121102102201011} is an apocalyptic number.

121102102201011 is a deficient number, since it is larger than the sum of its proper divisors (44629902771789).

121102102201011 is a wasteful number, since it uses less digits than its factorization.

121102102201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050339.

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

Adding to 121102102201011 its reverse (110102201201121), we get a palindrome (231204303402132).

The spelling of 121102102201011 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred two million, two hundred one thousand, eleven".