200120201001021 has 32 divisors (see below), whose sum is σ = 312769884930048. Its totient is φ = 111440979043200.

The previous prime is 200120201001011. The next prime is 200120201001037. The reversal of 200120201001021 is 120100102021002.

200120201001021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200120201001021 - 2¹⁷ = 200120200869949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200120201000988 and 200120201001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120201001011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434868805 + ... + 435328746.

It is an arithmetic number, because the mean of its divisors is an integer number (9774058904064).

Almost surely, 2^{200120201001021} is an apocalyptic number.

200120201001021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200120201001021 is a deficient number, since it is larger than the sum of its proper divisors (112649683929027).

200120201001021 is a wasteful number, since it uses less digits than its factorization.

200120201001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870197841.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200120201001021 its reverse (120100102021002), we get a palindrome (320220303022023).

The spelling of 200120201001021 in words is "two hundred trillion, one hundred twenty billion, two hundred one million, one thousand, twenty-one".