210122002002 has 32 divisors (see below), whose sum is σ = 458644343040. Its totient is φ = 63646064720.

The previous prime is 210122001977. The next prime is 210122002049. The reversal of 210122002002 is 200200221012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526188 + ... + 834935.

It is an arithmetic number, because the mean of its divisors is an integer number (14332635720).

Almost surely, 2^210122002002 is an apocalyptic number.

210122002002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210122002002 is an abundant number, since it is smaller than the sum of its proper divisors (248522341038).

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

210122002002 is a wasteful number, since it uses less digits than its factorization.

210122002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363478.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 210122002002 its reverse (200200221012), we get a palindrome (410322223014).

It can be divided in two parts, 21012 and 2002002, that multiplied together give a palindrome (42066066024).

The spelling of 210122002002 in words is "two hundred ten billion, one hundred twenty-two million, two thousand, two".