20102021010101 has 8 divisors (see below), whose sum is σ = 20530075947264. Its totient is φ = 19673980754800.

The previous prime is 20102021010089. The next prime is 20102021010103. The reversal of 20102021010101 is 10101012020102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20102021010101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102021010103) 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, 880625 + ... + 6401526.

It is an arithmetic number, because the mean of its divisors is an integer number (2566259493408).

Almost surely, 2^{20102021010101} is an apocalyptic number.

It is an amenable number.

20102021010101 is a deficient number, since it is larger than the sum of its proper divisors (428054937163).

20102021010101 is an equidigital number, since it uses as much as digits as its factorization.

20102021010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340931.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20102021010101 its reverse (10101012020102), we get a palindrome (30203033030203).

The spelling of 20102021010101 in words is "twenty trillion, one hundred two billion, twenty-one million, ten thousand, one hundred one".