2002010101123 has 2 divisors, whose sum is σ = 2002010101124. Its totient is φ = 2002010101122.

The previous prime is 2002010101061. The next prime is 2002010101127. The reversal of 2002010101123 is 3211010102002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002010101123 - 2²¹ = 2002008003971 is a prime.

It is a super-2 number, since 2×2002010101123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2002010101127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001005050561 + 1001005050562.

It is an arithmetic number, because the mean of its divisors is an integer number (1001005050562).

Almost surely, 2^{2002010101123} is an apocalyptic number.

2002010101123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002010101123 is an equidigital number, since it uses as much as digits as its factorization.

2002010101123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2002010101123 its reverse (3211010102002), we get a palindrome (5213020203125).

The spelling of 2002010101123 in words is "two trillion, two billion, ten million, one hundred one thousand, one hundred twenty-three".