121012202110211 has 16 divisors (see below), whose sum is σ = 125109436910304. Its totient is φ = 116973410770944.

The previous prime is 121012202110201. The next prime is 121012202110213. The reversal of 121012202110211 is 112011202210121.

It is a cyclic number.

It is not a de Polignac number, because 121012202110211 - 2³⁸ = 120737324203267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121012202110211.

It is not an unprimeable number, because it can be changed into a prime (121012202110213) 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, 81419711 + ... + 82892663.

It is an arithmetic number, because the mean of its divisors is an integer number (7819339806894).

Almost surely, 2^{121012202110211} is an apocalyptic number.

121012202110211 is a deficient number, since it is larger than the sum of its proper divisors (4097234800093).

121012202110211 is a wasteful number, since it uses less digits than its factorization.

121012202110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492790.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121012202110211 its reverse (112011202210121), we get a palindrome (233023404320332).

The spelling of 121012202110211 in words is "one hundred twenty-one trillion, twelve billion, two hundred two million, one hundred ten thousand, two hundred eleven".