29002220101 has 4 divisors (see below), whose sum is σ = 29052484492. Its totient is φ = 28951955712.

The previous prime is 29002220077. The next prime is 29002220147. The reversal of 29002220101 is 10102220092.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25476948225 + 3525271876 = 159615^2 + 59374^2 .

It is a cyclic number.

It is not a de Polignac number, because 29002220101 - 2³¹ = 26854736453 is a prime.

It is a super-2 number, since 2×29002220101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29002220161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25131330 + ... + 25132483.

It is an arithmetic number, because the mean of its divisors is an integer number (7263121123).

Almost surely, 2^29002220101 is an apocalyptic number.

It is an amenable number.

29002220101 is a deficient number, since it is larger than the sum of its proper divisors (50264391).

29002220101 is an equidigital number, since it uses as much as digits as its factorization.

29002220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50264390.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 29002220101 its reverse (10102220092), we get a palindrome (39104440193).

The spelling of 29002220101 in words is "twenty-nine billion, two million, two hundred twenty thousand, one hundred one".