1011002122 has 64 divisors (see below), whose sum is σ = 1813674240.
Its totient is φ = 418176000.
The previous prime is 1011002117. The next prime is 1011002123. The reversal of 1011002122 is 2212001101.
It is a junction number, because it is equal to n+sod(n) for n = 1011002099 and 1011002108.
It is not an unprimeable number, because it can be changed into a prime (1011002123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1147122 + ... + 1148002.
It is an arithmetic number, because the mean of its divisors is an integer number (28338660).
Almost surely, 21011002122 is an apocalyptic number.
1011002122 is a deficient number, since it is larger than the sum of its proper divisors (802672118).
1011002122 is a wasteful number, since it uses less digits than its factorization.
1011002122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1039.
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 1011002122 is about 31796.2595598916.
The cubic root of 1011002122 is about 1003.6540059778.
Adding to 1011002122 its reverse (2212001101), we get a palindrome (3223003223).
The spelling of 1011002122 in words is "one billion, eleven million, two thousand, one hundred twenty-two".