2101202120029 has 2 divisors, whose sum is σ = 2101202120030. Its totient is φ = 2101202120028.

The previous prime is 2101202119987. The next prime is 2101202120033. The reversal of 2101202120029 is 9200212021012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1700095231129 + 401106888900 = 1303877^2 + 633330^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101202120029 - 2¹³ = 2101202111837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101202119991 and 2101202120009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101202120099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050601060014 + 1050601060015.

It is an arithmetic number, because the mean of its divisors is an integer number (1050601060015).

Almost surely, 2^{2101202120029} is an apocalyptic number.

It is an amenable number.

2101202120029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101202120029 is an equidigital number, since it uses as much as digits as its factorization.

2101202120029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 2101202120029 in words is "two trillion, one hundred one billion, two hundred two million, one hundred twenty thousand, twenty-nine".