10111021010213 has 4 divisors (see below), whose sum is σ = 10211130129228. Its totient is φ = 10010911891200.

The previous prime is 10111021010183. The next prime is 10111021010231. The reversal of 10111021010213 is 31201012011101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5439189490849 + 4671831519364 = 2332207^2 + 2161442^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111021010213 - 2²² = 10111016815909 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 (10111021010273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50054559356 + ... + 50054559557.

It is an arithmetic number, because the mean of its divisors is an integer number (2552782532307).

Almost surely, 2^{10111021010213} is an apocalyptic number.

It is an amenable number.

10111021010213 is a deficient number, since it is larger than the sum of its proper divisors (100109119015).

10111021010213 is a wasteful number, since it uses less digits than its factorization.

10111021010213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100109119014.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 10111021010213 its reverse (31201012011101), we get a palindrome (41312033021314).

The spelling of 10111021010213 in words is "ten trillion, one hundred eleven billion, twenty-one million, ten thousand, two hundred thirteen".