101220141 has 16 divisors (see below), whose sum is σ = 147552768. Its totient is φ = 61210800.

The previous prime is 101220137. The next prime is 101220157. The reversal of 101220141 is 141022101.

It is a happy number.

It is not a de Polignac number, because 101220141 - 2² = 101220137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13080 + ... + 19326.

It is an arithmetic number, because the mean of its divisors is an integer number (9222048).

Almost surely, 2^101220141 is an apocalyptic number.

101220141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101220141 is a deficient number, since it is larger than the sum of its proper divisors (46332627).

101220141 is a wasteful number, since it uses less digits than its factorization.

101220141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 101220141 is about 10060.8220837067. The cubic root of 101220141 is about 466.0390546698.

Adding to 101220141 its reverse (141022101), we get a palindrome (242242242).

The spelling of 101220141 in words is "one hundred one million, two hundred twenty thousand, one hundred forty-one".