1021122002210 has 32 divisors (see below), whose sum is σ = 1946964852720. Its totient is φ = 384259151872.

The previous prime is 1021122002143. The next prime is 1021122002213. The reversal of 1021122002210 is 122002211201.

It can be written as a sum of positive squares in 8 ways, for example, as 507358468681 + 513763533529 = 712291^2 + 716773^2 .

It is not an unprimeable number, because it can be changed into a prime (1021122002213) 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, 873515 + ... + 1674894.

Almost surely, 2^{1021122002210} is an apocalyptic number.

1021122002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021122002210 is a deficient number, since it is larger than the sum of its proper divisors (925842850510).

1021122002210 is a wasteful number, since it uses less digits than its factorization.

1021122002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550790.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1021122002210 its reverse (122002211201), we get a palindrome (1143124213411).

The spelling of 1021122002210 in words is "one trillion, twenty-one billion, one hundred twenty-two million, two thousand, two hundred ten".