211002100122 has 16 divisors (see below), whose sum is σ = 460368218592. Its totient is φ = 63940030320.

The previous prime is 211002100117. The next prime is 211002100147. The reversal of 211002100122 is 221001200112.

It is a junction number, because it is equal to n+sod(n) for n = 211002100098 and 211002100107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1598500693 + ... + 1598500824.

It is an arithmetic number, because the mean of its divisors is an integer number (28773013662).

Almost surely, 2^211002100122 is an apocalyptic number.

211002100122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211002100122 is an abundant number, since it is smaller than the sum of its proper divisors (249366118470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211002100122 is a wasteful number, since it uses less digits than its factorization.

211002100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197001533.

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

Adding to 211002100122 its reverse (221001200112), we get a palindrome (432003300234).

The spelling of 211002100122 in words is "two hundred eleven billion, two million, one hundred thousand, one hundred twenty-two".