1101111147970 has 16 divisors (see below), whose sum is σ = 2050344896760. Its totient is φ = 425256719104.

The previous prime is 1101111147923. The next prime is 1101111147991. The reversal of 1101111147970 is 797411111011.

It can be written as a sum of positive squares in 4 ways, for example, as 761132360041 + 339978787929 = 872429^2 + 583077^2 .

It is a super-2 number, since 2×1101111147970² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1898467207 + ... + 1898467786.

Almost surely, 2^{1101111147970} is an apocalyptic number.

1101111147970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101111147970 is a deficient number, since it is larger than the sum of its proper divisors (949233748790).

1101111147970 is a wasteful number, since it uses less digits than its factorization.

1101111147970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796935029.

The product of its (nonzero) digits is 1764, while the sum is 34.

Adding to 1101111147970 its reverse (797411111011), we get a palindrome (1898522258981).

The spelling of 1101111147970 in words is "one trillion, one hundred one billion, one hundred eleven million, one hundred forty-seven thousand, nine hundred seventy".