201012100220021 has 8 divisors (see below), whose sum is σ = 212934017603520. Its totient is φ = 189101035747008.

The previous prime is 201012100220003. The next prime is 201012100220053. The reversal of 201012100220021 is 120022001210102.

201012100220021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201012100220021 - 2²⁶ = 201012033111157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201012100219978 and 201012100220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012100220081) 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, 2713189481 + ... + 2713263566.

It is an arithmetic number, because the mean of its divisors is an integer number (26616752200440).

Almost surely, 2^{201012100220021} is an apocalyptic number.

It is an amenable number.

201012100220021 is a deficient number, since it is larger than the sum of its proper divisors (11921917383499).

201012100220021 is a wasteful number, since it uses less digits than its factorization.

201012100220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426455243.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201012100220021 its reverse (120022001210102), we get a palindrome (321034101430123).

The spelling of 201012100220021 in words is "two hundred one trillion, twelve billion, one hundred million, two hundred twenty thousand, twenty-one".