10210221111021 has 8 divisors (see below), whose sum is σ = 13903279810944. Its totient is φ = 6661988242560.

The previous prime is 10210221111019. The next prime is 10210221111049. The reversal of 10210221111021 is 12011112201201.

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 10210221111021 - 2¹ = 10210221111019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210221111071) 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, 36206457700 + ... + 36206457981.

It is an arithmetic number, because the mean of its divisors is an integer number (1737909976368).

Almost surely, 2^{10210221111021} is an apocalyptic number.

It is an amenable number.

10210221111021 is a deficient number, since it is larger than the sum of its proper divisors (3693058699923).

10210221111021 is an equidigital number, since it uses as much as digits as its factorization.

10210221111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72412915731.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10210221111021 its reverse (12011112201201), we get a palindrome (22221333312222).

The spelling of 10210221111021 in words is "ten trillion, two hundred ten billion, two hundred twenty-one million, one hundred eleven thousand, twenty-one".