2010101421 has 8 divisors (see below), whose sum is σ = 2682016480. Its totient is φ = 1339126992.

The previous prime is 2010101419. The next prime is 2010101449. The reversal of 2010101421 is 1241010102.

It is a happy number.

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

It is not a de Polignac number, because 2010101421 - 2¹ = 2010101419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010101397 and 2010101406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010101461) 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, 230155 + ... + 238728.

It is an arithmetic number, because the mean of its divisors is an integer number (335252060).

Almost surely, 2^2010101421 is an apocalyptic number.

It is an amenable number.

2010101421 is a deficient number, since it is larger than the sum of its proper divisors (671915059).

2010101421 is a wasteful number, since it uses less digits than its factorization.

2010101421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470315.

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

The square root of 2010101421 is about 44834.1546256869. The cubic root of 2010101421 is about 1262.0386542427.

Adding to 2010101421 its reverse (1241010102), we get a palindrome (3251111523).

The spelling of 2010101421 in words is "two billion, ten million, one hundred one thousand, four hundred twenty-one".