1002212101 has 16 divisors (see below), whose sum is σ = 1165993920. Its totient is φ = 851316480.

The previous prime is 1002212093. The next prime is 1002212119. The reversal of 1002212101 is 1012122001.

It is not a de Polignac number, because 1002212101 - 2³ = 1002212093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002212201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6715 + ... + 45271.

It is an arithmetic number, because the mean of its divisors is an integer number (72874620).

Almost surely, 2^1002212101 is an apocalyptic number.

1002212101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1002212101 is a deficient number, since it is larger than the sum of its proper divisors (163781819).

1002212101 is a wasteful number, since it uses less digits than its factorization.

1002212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38724.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1002212101 is about 31657.7336680944. The cubic root of 1002212101 is about 1000.7368239571.

Adding to 1002212101 its reverse (1012122001), we get a palindrome (2014334102).

The spelling of 1002212101 in words is "one billion, two million, two hundred twelve thousand, one hundred one".