201000012100101 has 12 divisors (see below), whose sum is σ = 290353403030080. Its totient is φ = 133990753196520.

The previous prime is 201000012100081. The next prime is 201000012100103. The reversal of 201000012100101 is 101001210000102.

It is a happy number.

201000012100101 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201000012100101 - 2⁷ = 201000012099973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000012100103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 771101635 + ... + 771362256.

Almost surely, 2^{201000012100101} is an apocalyptic number.

It is an amenable number.

201000012100101 is a deficient number, since it is larger than the sum of its proper divisors (89353390929979).

201000012100101 is a wasteful number, since it uses less digits than its factorization.

201000012100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542478376 (or 1542478373 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 201000012100101 its reverse (101001210000102), we get a palindrome (302001222100203).

The spelling of 201000012100101 in words is "two hundred one trillion, twelve million, one hundred thousand, one hundred one".