10211201012198 has 4 divisors (see below), whose sum is σ = 15316801518300. Its totient is φ = 5105600506098.

The previous prime is 10211201012197. The next prime is 10211201012231. The reversal of 10211201012198 is 89121010211201.

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

It is a super-2 number, since 2×10211201012198² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10211201012198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211201012197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552800253048 + ... + 2552800253051.

It is an arithmetic number, because the mean of its divisors is an integer number (3829200379575).

Almost surely, 2^{10211201012198} is an apocalyptic number.

10211201012198 is a deficient number, since it is larger than the sum of its proper divisors (5105600506102).

10211201012198 is an equidigital number, since it uses as much as digits as its factorization.

10211201012198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105600506101.

The product of its (nonzero) digits is 576, while the sum is 29.

Adding to 10211201012198 its reverse (89121010211201), we get a palindrome (99332211223399).

The spelling of 10211201012198 in words is "ten trillion, two hundred eleven billion, two hundred one million, twelve thousand, one hundred ninety-eight".