100022021210 has 16 divisors (see below), whose sum is σ = 180064269000. Its totient is φ = 40003334976.

The previous prime is 100022021201. The next prime is 100022021237. The reversal of 100022021210 is 12120220001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 83747150881 + 16274870329 = 289391^2 + 127573^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100022021191 and 100022021200.

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, 607025 + ... + 754004.

Almost surely, 2^100022021210 is an apocalyptic number.

100022021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100022021210 is a deficient number, since it is larger than the sum of its proper divisors (80042247790).

100022021210 is a wasteful number, since it uses less digits than its factorization.

100022021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368385.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100022021210 its reverse (12120220001), we get a palindrome (112142241211).

The spelling of 100022021210 in words is "one hundred billion, twenty-two million, twenty-one thousand, two hundred ten".