1020210012111 has 8 divisors (see below), whose sum is σ = 1362670668720. Its totient is φ = 678944681792.

The previous prime is 1020210012109. The next prime is 1020210012113. The reversal of 1020210012111 is 1112100120201.

It is an interprime number because it is at equal distance from previous prime (1020210012109) and next prime (1020210012113).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020210012111 - 2¹ = 1020210012109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020210012113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298829580 + ... + 298832993.

It is an arithmetic number, because the mean of its divisors is an integer number (170333833590).

Almost surely, 2^{1020210012111} is an apocalyptic number.

1020210012111 is a deficient number, since it is larger than the sum of its proper divisors (342460656609).

1020210012111 is an equidigital number, since it uses as much as digits as its factorization.

1020210012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597663145.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1020210012111 its reverse (1112100120201), we get a palindrome (2132310132312).

The spelling of 1020210012111 in words is "one trillion, twenty billion, two hundred ten million, twelve thousand, one hundred eleven".