10210021221111 has 8 divisors (see below), whose sum is σ = 13671788073840. Its totient is φ = 6777467591232.

The previous prime is 10210021221079. The next prime is 10210021221119. The reversal of 10210021221111 is 11112212001201.

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 10210021221111 - 2⁵ = 10210021221079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210021221119) 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, 7303304896 + ... + 7303306293.

It is an arithmetic number, because the mean of its divisors is an integer number (1708973509230).

Almost surely, 2^{10210021221111} is an apocalyptic number.

10210021221111 is a deficient number, since it is larger than the sum of its proper divisors (3461766852729).

10210021221111 is a wasteful number, since it uses less digits than its factorization.

10210021221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14606611425.

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

Adding to 10210021221111 its reverse (11112212001201), we get a palindrome (21322233222312).

The spelling of 10210021221111 in words is "ten trillion, two hundred ten billion, twenty-one million, two hundred twenty-one thousand, one hundred eleven".