10211610061 has 4 divisors (see below), whose sum is σ = 10217888032. Its totient is φ = 10205332092.

The previous prime is 10211610047. The next prime is 10211610091. The reversal of 10211610061 is 16001611201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16001611201 = 1493 ⋅10717757.

It is a cyclic number.

It is not a de Polignac number, because 10211610061 - 2⁹ = 10211609549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211610001) 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, 3136545 + ... + 3139798.

It is an arithmetic number, because the mean of its divisors is an integer number (2554472008).

Almost surely, 2^10211610061 is an apocalyptic number.

It is an amenable number.

10211610061 is a deficient number, since it is larger than the sum of its proper divisors (6277971).

10211610061 is an equidigital number, since it uses as much as digits as its factorization.

10211610061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6277970.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 10211610061 in words is "ten billion, two hundred eleven million, six hundred ten thousand, sixty-one".