1263052220101 has 8 divisors (see below), whose sum is σ = 1444502660864. Its totient is φ = 1081855381680.

The previous prime is 1263052220057. The next prime is 1263052220113. The reversal of 1263052220101 is 1010222503621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1263052220101 - 2⁷ = 1263052219973 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 (1263052226101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63389910 + ... + 63409831.

It is an arithmetic number, because the mean of its divisors is an integer number (180562832608).

Almost surely, 2^{1263052220101} is an apocalyptic number.

It is an amenable number.

1263052220101 is a deficient number, since it is larger than the sum of its proper divisors (181450440763).

1263052220101 is a wasteful number, since it uses less digits than its factorization.

1263052220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126801171.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1263052220101 its reverse (1010222503621), we get a palindrome (2273274723722).

The spelling of 1263052220101 in words is "one trillion, two hundred sixty-three billion, fifty-two million, two hundred twenty thousand, one hundred one".