102222212121011 has 4 divisors (see below), whose sum is σ = 105519702834624. Its totient is φ = 98924721407400.

The previous prime is 102222212120983. The next prime is 102222212121023. The reversal of 102222212121011 is 110121212222201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102222212121011 - 2¹⁰ = 102222212119987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102222212121061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1648745356760 + ... + 1648745356821.

It is an arithmetic number, because the mean of its divisors is an integer number (26379925708656).

Almost surely, 2^{102222212121011} is an apocalyptic number.

102222212121011 is a deficient number, since it is larger than the sum of its proper divisors (3297490713613).

102222212121011 is an equidigital number, since it uses as much as digits as its factorization.

102222212121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297490713612.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 102222212121011 its reverse (110121212222201), we get a palindrome (212343424343212).

The spelling of 102222212121011 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, eleven".