1000202122010 has 128 divisors (see below), whose sum is σ = 2250388707840. Its totient is φ = 311641583616.

The previous prime is 1000202121979. The next prime is 1000202122037. The reversal of 1000202122010 is 102212020001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1000202121982 and 1000202122000.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18844169 + ... + 18897171.

It is an arithmetic number, because the mean of its divisors is an integer number (17581161780).

Almost surely, 2^{1000202122010} is an apocalyptic number.

1000202122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000202122010 is an abundant number, since it is smaller than the sum of its proper divisors (1250186585830).

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

1000202122010 is a wasteful number, since it uses less digits than its factorization.

1000202122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53352.

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

Adding to 1000202122010 its reverse (102212020001), we get a palindrome (1102414142011).

The spelling of 1000202122010 in words is "one trillion, two hundred two million, one hundred twenty-two thousand, ten".