102122122011 has 48 divisors (see below), whose sum is σ = 171084854304. Its totient is φ = 53706433536.

The previous prime is 102122121991. The next prime is 102122122027. The reversal of 102122122011 is 110221221201.

It is not a de Polignac number, because 102122122011 - 2⁶ = 102122121947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102122122111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 564721 + ... + 723293.

It is an arithmetic number, because the mean of its divisors is an integer number (3564267798).

Almost surely, 2^102122122011 is an apocalyptic number.

102122122011 is a deficient number, since it is larger than the sum of its proper divisors (68962732293).

102122122011 is a wasteful number, since it uses less digits than its factorization.

102122122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158940 (or 158933 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102122122011 its reverse (110221221201), we get a palindrome (212343343212).

The spelling of 102122122011 in words is "one hundred two billion, one hundred twenty-two million, one hundred twenty-two thousand, eleven".