61001102 has 4 divisors (see below), whose sum is σ = 91501656. Its totient is φ = 30500550.

The previous prime is 61001093. The next prime is 61001107. The reversal of 61001102 is 20110016.

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

It is a super-4 number, since 4×61001102⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61001107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15250274 + ... + 15250277.

It is an arithmetic number, because the mean of its divisors is an integer number (22875414).

Almost surely, 2^61001102 is an apocalyptic number.

61001102 is a deficient number, since it is larger than the sum of its proper divisors (30500554).

61001102 is a wasteful number, since it uses less digits than its factorization.

61001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30500553.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 61001102 is about 7810.3202239089. The cubic root of 61001102 is about 393.6520887986.

Adding to 61001102 its reverse (20110016), we get a palindrome (81111118).

The spelling of 61001102 in words is "sixty-one million, one thousand, one hundred two".