102010021212111 has 8 divisors (see below), whose sum is σ = 136013464301184. Its totient is φ = 68006629465560.

The previous prime is 102010021212109. The next prime is 102010021212149. The reversal of 102010021212111 is 111212120010201.

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 102010021212111 - 2¹ = 102010021212109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010021212101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7932021 + ... + 16338206.

It is an arithmetic number, because the mean of its divisors is an integer number (17001683037648).

Almost surely, 2^{102010021212111} is an apocalyptic number.

102010021212111 is a deficient number, since it is larger than the sum of its proper divisors (34003443089073).

102010021212111 is a wasteful number, since it uses less digits than its factorization.

102010021212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25671261.

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

Adding to 102010021212111 its reverse (111212120010201), we get a palindrome (213222141222312).

The spelling of 102010021212111 in words is "one hundred two trillion, ten billion, twenty-one million, two hundred twelve thousand, one hundred eleven".