10002221021111 has 16 divisors (see below), whose sum is σ = 11178423307296. Its totient is φ = 8870534400000.

The previous prime is 10002221021087. The next prime is 10002221021197. The reversal of 10002221021111 is 11112012220001.

It is a cyclic number.

It is not a de Polignac number, because 10002221021111 - 2¹⁸ = 10002220758967 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 (10002221021311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5805461 + ... + 7328561.

It is an arithmetic number, because the mean of its divisors is an integer number (698651456706).

Almost surely, 2^{10002221021111} is an apocalyptic number.

10002221021111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10002221021111 is a deficient number, since it is larger than the sum of its proper divisors (1176202286185).

10002221021111 is a wasteful number, since it uses less digits than its factorization.

10002221021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537714.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10002221021111 its reverse (11112012220001), we get a palindrome (21114233241112).

The spelling of 10002221021111 in words is "ten trillion, two billion, two hundred twenty-one million, twenty-one thousand, one hundred eleven".