1012101020001 has 20 divisors (see below), whose sum is σ = 1511931497472. Its totient is φ = 674721738648.

The previous prime is 1012101019999. The next prime is 1012101020009. The reversal of 1012101020001 is 1000201012101.

It is a happy number.

It is not a de Polignac number, because 1012101020001 - 2¹ = 1012101019999 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1012101020009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7474240 + ... + 7608446.

Almost surely, 2^{1012101020001} is an apocalyptic number.

It is an amenable number.

1012101020001 is a deficient number, since it is larger than the sum of its proper divisors (499830477471).

1012101020001 is an equidigital number, since it uses as much as digits as its factorization.

1012101020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227322 (or 227313 counting only the distinct ones).

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

Adding to 1012101020001 its reverse (1000201012101), we get a palindrome (2012302032102).

It can be divided in two parts, 101210 and 1020001, that added together give a palindrome (1121211).

The spelling of 1012101020001 in words is "one trillion, twelve billion, one hundred one million, twenty thousand, one".