202121002202010 has 32 divisors (see below), whose sum is σ = 486021480956352. Its totient is φ = 53795481068160.

The previous prime is 202121002201927. The next prime is 202121002202051. The reversal of 202121002202010 is 10202200121202.

It is a super-2 number, since 2×202121002202010² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6465787384 + ... + 6465818643.

It is an arithmetic number, because the mean of its divisors is an integer number (15188171279886).

Almost surely, 2^{202121002202010} is an apocalyptic number.

202121002202010 is an abundant number, since it is smaller than the sum of its proper divisors (283900478754342).

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

202121002202010 is a wasteful number, since it uses less digits than its factorization.

202121002202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12931606558.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202121002202010 its reverse (10202200121202), we get a palindrome (212323202323212).

The spelling of 202121002202010 in words is "two hundred two trillion, one hundred twenty-one billion, two million, two hundred two thousand, ten".