2210100212021 has 8 divisors (see below), whose sum is σ = 2396081801400. Its totient is φ = 2026400605632.

The previous prime is 2210100211997. The next prime is 2210100212057. The reversal of 2210100212021 is 1202120010122.

It can be written as a sum of positive squares in 4 ways, for example, as 198950789521 + 2011149422500 = 446039^2 + 1418150^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-2210100212021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210100211987 and 2210100212005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210100211021) 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, 570493730 + ... + 570497603.

It is an arithmetic number, because the mean of its divisors is an integer number (299510225175).

Almost surely, 2^{2210100212021} is an apocalyptic number.

It is an amenable number.

2210100212021 is a deficient number, since it is larger than the sum of its proper divisors (185981589379).

2210100212021 is a wasteful number, since it uses less digits than its factorization.

2210100212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140991495.

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

Adding to 2210100212021 its reverse (1202120010122), we get a palindrome (3412220222143).

The spelling of 2210100212021 in words is "two trillion, two hundred ten billion, one hundred million, two hundred twelve thousand, twenty-one".