1010643216100 has 36 divisors (see below), whose sum is σ = 2506395177664. Its totient is φ = 346506245280.

The previous prime is 1010643216061. The next prime is 1010643216113. The reversal of 1010643216100 is 16123460101.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 721887312 + ... + 721888711.

Almost surely, 2^{1010643216100} is an apocalyptic number.

1010643216100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010643216100 is an abundant number, since it is smaller than the sum of its proper divisors (1495751961564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1010643216100 is a wasteful number, since it uses less digits than its factorization.

1010643216100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443776044 (or 1443776037 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 1010643216100 its reverse (16123460101), we get a palindrome (1026766676201).

The spelling of 1010643216100 in words is "one trillion, ten billion, six hundred forty-three million, two hundred sixteen thousand, one hundred".