102210221011011 has 64 divisors (see below), whose sum is σ = 155619440148480. Its totient is φ = 59369464667520.

The previous prime is 102210221010979. The next prime is 102210221011013. The reversal of 102210221011011 is 110110122012201.

It is a happy number.

It is not a de Polignac number, because 102210221011011 - 2⁵ = 102210221010979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102210221011013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15367185 + ... + 20989778.

It is an arithmetic number, because the mean of its divisors is an integer number (2431553752320).

Almost surely, 2^{102210221011011} is an apocalyptic number.

102210221011011 is a deficient number, since it is larger than the sum of its proper divisors (53409219137469).

102210221011011 is a wasteful number, since it uses less digits than its factorization.

102210221011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36357096.

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

Adding to 102210221011011 its reverse (110110122012201), we get a palindrome (212320343023212).

The spelling of 102210221011011 in words is "one hundred two trillion, two hundred ten billion, two hundred twenty-one million, eleven thousand, eleven".