202102111100010 has 256 divisors, whose sum is σ = 577846296576000. Its totient is φ = 44692782393600.

The previous prime is 202102111100009. The next prime is 202102111100011. The reversal of 202102111100010 is 10001111201202.

It is an interprime number because it is at equal distance from previous prime (202102111100009) and next prime (202102111100011).

It is a super-2 number, since 2×202102111100010² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202102111100011) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 36067117 + ... + 41292143.

It is an arithmetic number, because the mean of its divisors is an integer number (2257212096000).

Almost surely, 2^{202102111100010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202102111100010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288923148288000).

202102111100010 is an abundant number, since it is smaller than the sum of its proper divisors (375744185475990).

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

202102111100010 is a wasteful number, since it uses less digits than its factorization.

202102111100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5225297.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 202102111100010 its reverse (10001111201202), we get a palindrome (212103222301212).

The spelling of 202102111100010 in words is "two hundred two trillion, one hundred two billion, one hundred eleven million, one hundred thousand, ten".