1022122101 has 64 divisors (see below), whose sum is σ = 1847494656. Its totient is φ = 485395200.

The previous prime is 1022122099. The next prime is 1022122109. The reversal of 1022122101 is 1012212201.

It is not a de Polignac number, because 1022122101 - 2¹ = 1022122099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022122109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 319731 + ... + 322911.

It is an arithmetic number, because the mean of its divisors is an integer number (28867104).

Almost surely, 2^1022122101 is an apocalyptic number.

1022122101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022122101 is a deficient number, since it is larger than the sum of its proper divisors (825372555).

1022122101 is a wasteful number, since it uses less digits than its factorization.

1022122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1022122101 is about 31970.6443632280. The cubic root of 1022122101 is about 1007.3203158840.

Adding to 1022122101 its reverse (1012212201), we get a palindrome (2034334302).

It can be divided in two parts, 102212 and 2101, that multiplied together give a palindrome (214747412).

The spelling of 1022122101 in words is "one billion, twenty-two million, one hundred twenty-two thousand, one hundred one".