200212010101021 has 4 divisors (see below), whose sum is σ = 200212228591200. Its totient is φ = 200211791610844.

The previous prime is 200212010100983. The next prime is 200212010101139. The reversal of 200212010101021 is 120101010212002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200212010101021 - 2³³ = 200203420166429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200212010100992 and 200212010101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200212010101721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107864761 + ... + 109705198.

It is an arithmetic number, because the mean of its divisors is an integer number (50053057147800).

Almost surely, 2^{200212010101021} is an apocalyptic number.

It is an amenable number.

200212010101021 is a deficient number, since it is larger than the sum of its proper divisors (218490179).

200212010101021 is an equidigital number, since it uses as much as digits as its factorization.

200212010101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218490178.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200212010101021 its reverse (120101010212002), we get a palindrome (320313020313023).

It can be divided in two parts, 2002 and 12010101021, that multiplied together give a palindrome (24044222244042).

The spelling of 200212010101021 in words is "two hundred trillion, two hundred twelve billion, ten million, one hundred one thousand, twenty-one".