20212201012102 has 16 divisors (see below), whose sum is σ = 33156990838224. Its totient is φ = 9164452960000.

The previous prime is 20212201012079. The next prime is 20212201012103. The reversal of 20212201012102 is 20121010221202.

It is a happy number.

It is a super-2 number, since 2×20212201012102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212201012103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1145547799 + ... + 1145565442.

It is an arithmetic number, because the mean of its divisors is an integer number (2072311927389).

Almost surely, 2^{20212201012102} is an apocalyptic number.

20212201012102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20212201012102 is a deficient number, since it is larger than the sum of its proper divisors (12944789826122).

20212201012102 is a wasteful number, since it uses less digits than its factorization.

20212201012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291113655.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20212201012102 its reverse (20121010221202), we get a palindrome (40333211233304).

The spelling of 20212201012102 in words is "twenty trillion, two hundred twelve billion, two hundred one million, twelve thousand, one hundred two".