10202121111043 has 2 divisors, whose sum is σ = 10202121111044. Its totient is φ = 10202121111042.

The previous prime is 10202121111023. The next prime is 10202121111079. The reversal of 10202121111043 is 34011112120201.

It is a weak prime.

It is an emirp because it is prime and its reverse (34011112120201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10202121111043 - 2¹³ = 10202121102851 is a prime.

It is a super-3 number, since 3×10202121111043³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10202121111043.

It is not a weakly prime, because it can be changed into another prime (10202121111023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101060555521 + 5101060555522.

It is an arithmetic number, because the mean of its divisors is an integer number (5101060555522).

Almost surely, 2^{10202121111043} is an apocalyptic number.

10202121111043 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202121111043 is an equidigital number, since it uses as much as digits as its factorization.

10202121111043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 10202121111043 its reverse (34011112120201), we get a palindrome (44213233231244).

The spelling of 10202121111043 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, one hundred eleven thousand, forty-three".