102012121110211 has 16 divisors (see below), whose sum is σ = 116497491915168. Its totient is φ = 88491836505600.

The previous prime is 102012121110149. The next prime is 102012121110223. The reversal of 102012121110211 is 112011121210201.

It is a cyclic number.

It is not a de Polignac number, because 102012121110211 - 2⁹ = 102012121109699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102012121113211) 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, 349016785 + ... + 349308946.

It is an arithmetic number, because the mean of its divisors is an integer number (7281093244698).

Almost surely, 2^{102012121110211} is an apocalyptic number.

102012121110211 is a deficient number, since it is larger than the sum of its proper divisors (14485370804957).

102012121110211 is a wasteful number, since it uses less digits than its factorization.

102012121110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698326422.

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

Adding to 102012121110211 its reverse (112011121210201), we get a palindrome (214023242320412).

The spelling of 102012121110211 in words is "one hundred two trillion, twelve billion, one hundred twenty-one million, one hundred ten thousand, two hundred eleven".